Hitachi ZX‑5G Fault Code 110001‑4107 – Meaning, Causes, Troubleshooting & Reset Guide
Hitachi ZX-5G Group 5 Fault Code List – Full Troubleshooting Details
This article contains the complete Group 5 Troubleshooting fault code list for Hitachi ZX-5G excavators. All fault codes are shown with trouble name, cause, symptoms in machine operation when trouble occurs, and remedy.
MC Fault Code List – Controller Hardware Failure (SECTION T5-5-3)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11000-2 | Abnormal EEPROM | Faulty MC | Replace MC. | |
| 11001-2 | Abnormal RAM | Faulty MC | Replace MC. | |
| 11002-2 | Abnormal A/D Converter | Faulty MC | Replace MC. | |
| 11003-3 | Abnormal Sensor Voltage | Faulty MC Faulty sensor Faulty harness |
Although the engine control dial is operated, the engine speed does not change. | Check the sensor connected to MC. Check the harness. Replace MC. |
CAN Data Reception Failure (SECTION T5-5-4)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11006-2 | Engine Controller Communication Error | Faulty harness | The machine movement is slow. (During speed sensing, the torque is reduced.) | Check the harness. |
| 11007-2 | (CAN0) Information Controller Communication Error 1 | Faulty MC Faulty CAN0 harness |
The machine movement is slow. | Check the CAN0 harness. Replace MC. |
| 11008-2 | (CAN1) Information Controller Communication Error 2 | Faulty MC Faulty CAN1 harness |
The machine movement is slow. | Check the CAN1 harness. Replace MC. |
| 11009-2 | (CAN0) Monitor Controller Communication Error 1 | Faulty MC Faulty CAN0 harness |
The machine movement is slow. | Check the CAN0 harness. Replace MC. |
| 11010-2 | (CAN1) Monitor Controller Communication Error 2 | Faulty MC Faulty CAN1 harness |
The machine movement is slow. | Check the CAN1 harness. Replace MC. |
Engine Failure (SECTION T5-5-5)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11100-2 | Abnormal Engine Speed | Engine speed: 4000 min -1 or more | The machine operation speed is slow. (During speed sensing, the torque is decreased.) | Check the crank speed sensor. Check the cam angle sensor. |
| 11101-3 | Engine Control Dial Sensor Circuit High Input | Voltage: more than 4.78 V |
Trouble condition with the key switch ON: The engine speed is kept at slow idle speed. Trouble condition during operation: The engine speed is kept at the speed just before trouble. |
Check the harness. Replace the engine control dial. |
| 11101-4 | Engine Control Dial Sensor Circuit Low Input | Voltage: less than 0.22 V |
Trouble condition with the key switch ON: The engine speed is kept at slow idle speed. Trouble condition during operation: The engine speed is kept at the speed just before trouble. |
Check the harness. Replace the engine control dial. |
Pump Failure (SECTION T5-5-6)
| Fault Code | Trouble | Cause (Voltage Condition) | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11200-3 | Pump 1 Delivery Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Combined operation of arm roll-in and boom raise or combined operation of arm roll-in and swing: Arm speed is slow. Single operation of boom raise: Lifting force is weak. Travel: Slow speed |
Check the harness. Replace the pump 1 delivery pressure sensor. |
| 11200-4 | Pump 1 Delivery Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Combined operation of arm roll-in and boom raise or combined operation of arm roll-in and swing: Arm speed is slow. Single operation of boom raise: Lifting force is weak. Travel: Slow speed |
Check the harness. Replace the pump 1 delivery pressure sensor. |
| 11202-3 | Pump 2 Delivery Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Combined operation of arm roll-in and boom raise or combined operation of arm roll-in and swing: Arm speed is slow. Travel: Slow speed |
Check the harness. Replace the pump 2 delivery pressure sensor. |
| 11202-4 | Pump 2 Delivery Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Combined operation of arm roll-in and boom raise or combined operation of arm roll-in and swing: Arm speed is slow. Travel: Slow speed |
Check the harness. Replace the pump 2 delivery pressure sensor. |
Pump Flow Control Pressure Sensor Failure (SECTION T5-5-7)
| Fault Code | Trouble | Cause (Voltage Condition) | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11206-3 | Pump 1 Flow Control Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Although speed normally returns to fast idle speed when a control lever is operated in ECO mode, engine speed is not increased in abnormal condition. Fast travel cannot be selected easily. |
Check the harness. Replace the pump 1 control pressure sensor. |
| 11206-4 | Pump 1 Flow Control Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Although speed normally returns to fast idle speed when a control lever is operated in ECO mode, engine speed is not increased in abnormal condition. Fast travel cannot be selected easily. |
Check the harness. Replace the pump 1 control pressure sensor. |
| 11208-3 | Pump 2 Flow Control Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Although speed normally returns to fast idle speed when a control lever is operated in ECO mode, engine speed is not increased in abnormal condition. Fast travel cannot be selected easily. |
Check the harness. Replace the pump 2 control pressure sensor. |
| 11208-4 | Pump 2 Flow Control Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Although speed normally returns to fast idle speed when a control lever is operated in ECO mode, engine speed is not increased in abnormal condition. Fast travel cannot be selected easily. |
Check the harness. Replace the pump 2 control pressure sensor. |
Pilot Failure (SECTION T5-5-8 & T5-5-9)
| Fault Code | Trouble | Cause (Voltage Condition) | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11301-3 | Swing Pilot Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Swing speed becomes slow. Combined operation of swing, arm roll-in, and boom raise: Boom raise speed becomes slow and arm speed becomes fast. Swing alarm (optional) continues to sound. |
Check the harness. Replace the swing pilot pressure sensor. |
| 11301-4 | Swing Pilot Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Swing speed becomes slow. Combined operation of swing, arm roll-in, and boom raise: Boom raise speed becomes slow and arm speed becomes fast. Swing alarm (optional) continues to sound. |
Check the harness. Replace the swing pilot pressure sensor. |
| 11302-3 | Boom Raise Pilot Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
During boom raise operation, engine speed does not increase. Combined operation of swing, arm roll-in, and boom raise: Boom does not raise easily. Single operation of boom raise: Lifting force is weak. |
Check the harness. Replace the boom raise pilot pressure sensor. |
| 11302-4 | Boom Raise Pilot Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
During boom raise operation, engine speed does not increase. Combined operation of swing, arm roll-in, and boom raise: Boom does not raise easily. Single operation of boom raise: Lifting force is weak. |
Check the harness. Replace the boom raise pilot pressure sensor. |
| 11303-3 | Arm Roll-In Pilot Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
During arm roll-in operation, engine speed does not increase. Arm speed becomes fast. |
Check the harness. Replace the arm roll-in pilot pressure sensor. |
| 11303-4 | Arm Roll-In Pilot Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
During arm roll-in operation, engine speed does not increase. Arm speed becomes fast. |
Check the harness. Replace the arm roll-in pilot pressure sensor. |
| 11304-3 | Travel Pilot Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Machine travels slowly. When traveling, engine speed does not increase to the specification. When traveling, engine speed does not return from auto-idle speed. When traveling, engine speed does not return from ECO speed. Travel alarm (optional) continues to sound. |
Check the harness. Replace the travel pilot pressure sensor. |
| 11304-4 | Travel Pilot Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Machine travels slowly. When traveling, engine speed does not increase to the specification. When traveling, engine speed does not return from auto-idle speed. When traveling, engine speed does not return from ECO speed. Travel alarm (optional) continues to sound. |
Check the harness. Replace the travel pilot pressure sensor. |
| 11307-3 | Front Pilot Pressure Sensor Circuit High Input | Voltage: more than 4.8 V |
Front attachment operating speed is slow. When operating the front attachment, engine speed does not increase to the specification. When operating the front attachment, engine speed does not return from auto-idle speed. When operating the front attachment, engine speed does not return from ECO speed. |
Check the harness. Replace the front pilot pressure sensor. |
| 11307-4 | Front Pilot Pressure Sensor Circuit Low Input | Voltage: less than 0.1 V |
Front attachment operating speed is slow. When operating the front attachment, engine speed does not increase to the specification. When operating the front attachment, engine speed does not return from auto-idle speed. When operating the front attachment, engine speed does not return from ECO speed. |
Check the harness. Replace the front pilot pressure sensor. |
Proportional Solenoid Valve Failure (SECTION T5-5-10 & T5-5-11)
| Fault Code | Trouble | Cause / Electrical Condition | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11400-2 | Pump 2 Flow Rate Limit P/S Valve Abnormal FB | Solenoid valve output: 140 mA or more, feedback current: more than 920 mA or less than 70 mA; both are detected. | Pump 2 flow rate cannot be controlled. | Check the harness. |
| 11400-3 | Pump 2 Flow Rate Limit P/S Valve FB High Current | Current: more than 920 mA |
Pump 2 flow rate can be always controlled. Machine mistracks. Boom raise operation speed is slow. Arm operation speed is slow. Attachment operation speed is slow. |
Check the harness. |
| 11400-4 | Pump 2 Flow Rate Limit P/S Valve FB Low Current | Current: less than 70 mA | Pump 2 flow rate cannot be controlled. | Check the harness. |
| 11401-2 | Torque P/S Valve Abnormal FB | Solenoid valve output: 140 mA or more, feedback current: more than 920 mA or less than 70 mA; both are detected. | Machine overall operation is slow. | Check the harness. |
| 11401-3 | Torque P/S Valve FB High Current | Current: more than 920 mA | The engine stalls is remarkable at high loaded. In addition, the engine lug-down is remarkable. | Check the harness. |
| 11401-4 | Torque P/S Valve FB Low Current | Current: less than 70 mA | Machine overall operation is slow. | Check the harness. |
| 11402-2 | Solenoid Valve Unit (SF) Abnormal FB | Solenoid valve output: 140 mA or more, feedback current: more than 920 mA or less than 70 mA; both are detected. | During digging operation: Arm operation speed is slow. (As deceleration rate is low, this state is not easy to find.) | Check the harness. |
| 11402-3 | Solenoid Valve Unit (SF) FB High Input | Current: more than 920 mA | Combined operation of arm roll-in and boom raise during precision operation: The boom raise operation is not smooth. | Check the harness. |
| 11402-4 | Solenoid Valve Unit (SF) FB Low Input | Current: less than 70 mA | During digging operation: Arm operation speed is slow. (As deceleration rate is low, this state is not easy to find.) | Check the harness. |
| 11403-2 | Solenoid Valve Unit (SC) Abnormal FB | Solenoid valve output: 140 mA or more, feedback current: more than 920 mA or less than 70 mA; both are detected. | Arm operation speed becomes fast. | Check the harness. |
| 11403-3 | Solenoid Valve Unit (SC) FB High Input | Current: more than 920 mA | Arm operation speed becomes slow. Cylinder hesitation easily occurs during combined operation. | Check the harness. |
| 11403-4 | Solenoid Valve Unit (SC) FB Low Input | Current: less than 70 mA | Arm operation speed becomes fast. | Check the harness. |
| 11407-2 | Solenoid Valve Unit (SG) Abnormal FB | Solenoid valve output: 140 mA or more, feedback current: more than 920 mA or less than 70 mA; both are detected. | Pressure increasing is impossible. Travel: Slow speed | Check the harness. |
| 11407-3 | Solenoid Valve Unit (SG) FB High Input | Current: more than 920 mA | Pressure always increases. Travel: Fast speed | Check the harness. |
| 11407-4 | Solenoid Valve Unit (SG) FB Low Input | Current: less than 70 mA | Pressure increasing is impossible. Travel: Slow speed | Check the harness. |
Other Failures (SECTION T5-5-12)
| Fault Code | Trouble | Cause (Voltage Condition) | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11901-3 | Hydraulic Oil Temperature Sensor Circuit High Input | Voltage: more than 4.35 V | When hydraulic oil temperature is less than 0 °C, the auto-warming up control is impossible. | Check the harness. |
| 11901-4 | Hydraulic Oil Temperature Sensor Circuit Low Input | Voltage: less than 0.1 V | When hydraulic oil temperature is less than 0 °C, the auto-warming up control is impossible. | Check the harness. |
ECF Fault Code List (SECTION T5-5-13)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11600-2 | Abnormal EEPROM | Faulty ECF | Replace ECF. | |
| 11601-2 | Abnormal RAM | Faulty ECF | Replace ECF. | |
| 11602-2 | Abnormal A/D conversion | Faulty ECF | Replace ECF. | |
| 11603-3 | Abnormal sensor voltage | Faulty ECF Faulty sensor Faulty harness |
Although the engine control dial is operated, the engine speed does not change. | Check the sensor connected to ECF. Check the harness. Replace ECF. |
| 11604-2 | Abnormal CAN communication | Faulty ECF Faulty CAN harness |
The machine movement is slow. | Check the CAN harness. Replace ECF. |
| 16605-2 | Abnormal engine speed (overrunning) | Engine speed: more than 4000 min -1 | The machine movement is slow. (During speed sensing, the torque is reduced.) | Check the harness. Replace the N sensor. |
| 16606-3 | Abnormal EC angle sensor high voltage | Voltage: more than 4.78 V |
Engine learning fails. Engine learning is impossible. |
Check the harness. Replace the EC sensor. |
| 16606-4 | Abnormal EC angle sensor low voltage | Voltage: less than 0.22 V |
Engine learning fails. Engine learning is impossible. |
Check the harness. Replace the EC sensor. |
| 16607-2 | Target engine speed sent from MC | Faulty harness | The engine speed is kept at the speed just before trouble. (Can communication is impossible.) | Check the harness. |
Monitor Controller (Monitor) Fault Code List (SECTION T5-5-14)
| Fault Code | Trouble | Cause | Remedy |
|---|---|---|---|
| 13002-2 | ECF Communication Error | Faulty monitor controller Faulty CAN0 harness |
Check the CAN0 harness. Replace monitor controller. |
| 13003-2 | MC Communication Error 1 | Faulty monitor controller Faulty CAN0 harness |
Check the CAN0 harness. Replace monitor controller. |
| 13004-2 | MC Communication Error 2 | Faulty monitor controller Faulty CAN1 harness |
Check the CAN1 harness. Replace monitor controller. |
| 13005-2 | Monitor Controller (Information) Communication Error 1 | Faulty monitor controller Faulty CAN0 harness |
Check the CAN0 harness. Replace monitor controller. |
| 13006-2 | Monitor Controller (Information) Communication Error 2 | Faulty monitor controller Faulty CAN1 harness |
Check the CAN1 harness. Replace monitor controller. |
| 13007-2 | Wiper / Light Controller Communication Error | Faulty monitor controller Faulty CAN1 harness |
Check the CAN1 harness. Replace monitor controller. |
System Error / Alarm Fault Codes (SECTION T5-5-15)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 20100-2 | Overheat Alarm | Coolant temperature is high while the engine runs. | Check the harness. Replace the coolant temperature sensor. |
|
| 20101-2 | Engine Warning Alarm | Faulty engine system | Refer to ECF fault code list. | |
| 20102-2 | Engine Oil Pressure Alarm | Engine oil pressure is reduced. | Check the harness. Replace the engine oil pressure switch. |
|
| 20103-2 | Alternator Alarm |
Voltage at the regulator is high. Voltage at the regulator is low with the engine stopped. |
Check the harness. Check the battery. Check the alternator. |
|
| 20104-2 | Fuel Level Alarm | Fuel level is lowered. | Check the harness. Replace the fuel sensor. |
|
| 20105-2 | Hydraulic Oil Filter Restriction Alarm | Clogged hydraulic oil filter. Open circuit in harness. |
Check the harness. Replace the hydraulic oil filter restriction switch. |
|
| 20106-2 | Air Cleaner Restriction Alarm | Clogged air cleaner. | Check the harness. Replace the air cleaner restriction switch. |
|
| 20109-2 | Pilot Control Shut-Off Lever Alarm | Faulty pilot shut-off switch. | Check the harness. Replace the pilot shut-off switch. |
|
| 20113-2 | System Error Alarm | Faulty CAN communication bus line. | Check the CAN harness. | |
| 20114-2 | Overheat Alarm | Coolant temperature is high within ten seconds after the engine starts. | Check the harness. Replace the overheat switch. |
Monitor Controller (Information) Fault Code List (SECTION T5-5-16)
| Fault Code | Trouble | Cause / Description | Remedy |
|---|---|---|---|
| 14001-2 | Flash Memory Read/Write Error | The internal memory of monitor controller is abnormal. |
After initializing the monitor controller (information) by using MPDr., retry the troubleshooting. If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. When initializing the monitor controller (information), all stored data is deleted. |
| 14002-2 | External RAM Read/Write Error | The internal memory of monitor controller is abnormal. |
After initializing the monitor controller (information) by using MPDr., retry the troubleshooting. If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. When initializing the monitor controller (information), all stored data is deleted. |
| 14003-2 | Abnormal EEPROM | The internal memory of monitor controller is abnormal. | Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. |
| 14006-2 | Communication Terminal : Communication Error | Communication error with communication equipment | Check the communication line, power line for communication terminal, and fuses. Then, retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the communication equipment may be broken. Replace the communication equipment. |
| 14008-2 | Abnormal Internal RAM | The internal memory of monitor controller is abnormal. | Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. |
| 14021-2 | Communication Terminal Security Error | Security failure of mobile communication equipment |
Check the communication line. Check the GPS antenna. In case the communication equipment has been replaced, it may be considered faulty. After disable the checking function for mobile phone number by security setting of MPDr., enable it again. Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the communication equipment may be broken. Replace the communication equipment. NOTE: Fault codes 14021-2 and 14022-2 are displayed if mobile communication terminal is equipped. |
| 14022-2 | SIM Card Error | Abnormal SIM card in mobile communication equipment | Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the communication equipment may be broken. Replace the communication equipment. |
| 14023-2 | Security Error | Communication error with MC | Check the CAN1 harness. Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, MC may be broken. Replace MC. |
Air Conditioner Controller Fault Code List (SECTION T5-5-17)
| Fault Code | Trouble | Cause / Voltage Condition | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11 | Open circuit in air circulation sensor | Voltage: more than 4.95 V | Y value (air flow-in temperature) cannot be adjusted in response to the set-temperature. | Check the harness. Replace the air circulation sensor. |
| 12 | Shorted circuit in air circulation sensor | Voltage: less than 0.3 V | Y value (air flow-in temperature) cannot be adjusted in response to the set-temperature. | Check the harness. Replace the air circulation sensor. |
| 13 | Open circuit in fresh air sensor | Voltage: more than 4.88 V | Operation is controlled under such circumstance as no fresh air sensor is provided. | Check the harness. Replace the fresh air sensor. |
| 14 | Shorted circuit in fresh air sensor | Voltage: less than 0.096 V | Operation is controlled under such circumstance as no fresh air sensor is provided. | Check the harness. Replace the fresh air sensor. |
| 18 | Shorted circuit in solar radiation sensor | Voltage: more than 5.04 V | Operation is controlled under such circumstance as no solar radiation sensor is provided. | Check the harness. Replace the solar radiation sensor. |
| 21 | Open circuit in evaporator sensor | Voltage: more than 4.79 V | Operation is controlled under such circumstance as the evaporator temperature is set to 10 °C (50 °F). | Check the harness. Replace the evaporator sensor. |
| 22 | Shorted circuit in evaporator sensor | Voltage: less than 0.096 V | Operation is controlled under such circumstance as the evaporator temperature is set to 10 °C (50 °F). | Check the harness. Replace the evaporator sensor. |
| 43 | Abnormal air vent damper |
Shorted circuit: Voltage: 0 V Open circuit: Voltage: more than 5 V |
Air vent damper servo motor becomes inoperable. | Check the harness. Replace the air vent damper servo motor. |
| 44 | Abnormal air mix damper |
Shorted circuit: Voltage: less than 0.2 V Open circuit: Voltage: more than 4.8 V |
Air mix damper servo motor becomes inoperable. | Check the harness. Replace the air vent damper servo motor. |
| 51 | Abnormal high/low refrigerant pressure | Voltage: 0 V | The compressor clutch is disengaged. (The compressor stops.) | Check the harness. Replace the high/low pressure switch. |
| 91 | CAN communication error | Faulty CAN1 harness between monitor controller and air conditioner controller | Air conditioner stops. | Check the CAN1 harness. Replace air conditioner controller. |
| 92 | CAN bus off error | Faulty air conditioner controller Faulty CAN1 harness |
Air conditioner stops. | Check the CAN1 harness. Replace air conditioner controller. |
Communication Terminal Fault Code List (SECTION T5-5-18)
| Fault Code | Trouble | Cause / Description | Remedy / Note |
|---|---|---|---|
| 14100-2 | Communication Terminal: Abnormal EEPROM | The internal memory of satellite communication terminal (optional) is abnormal. | Replace the controller (satellite communication terminal). |
| 14101-2 | Communication Terminal: Abnormal IB/OB Queue | The internal memory of satellite communication terminal (optional) is abnormal. | Replace the controller (satellite communication terminal). |
| 14102-2 | Communication Terminal: Abnormal Local Loop Back | Abnormality is detected on communication test with the satellite. | Check the communication antenna for satellite. |
| 14103-2 | Communication Terminal: No Satellite Found | Satellite can not be caught. | Check the communication antenna for satellite. |
| 14104-2 | Communication Terminal: Remote Loop Back Error 1 | Abnormality is detected on communication test with the satellite and base station. | Replace the controller (satellite communication terminal). |
| 14105-2 | Communication Terminal: Remote Loop Back Error 2 | Abnormality is detected on communication test with the satellite and base station. | Replace the controller (satellite communication terminal). |
| 14106-2 | Communication Terminal: Transmission/Receiving Data Unmatched | Transmission/receiving data with the satellite is unmatched. | Replace the controller (satellite communication terminal). |
| 14107-2 | Communication Terminal: Abnormal GSM Module | Abnormal mobile communication equipment |
Replace the controller (mobile communication terminal). NOTE: Fault codes 14100-2 to 14106-2 are satellite communication terminal. Fault code 14107-2 is mobile communication terminal. |
End of Group 5 Troubleshooting fault code list for Hitachi ZX-5G.
Other Failures (SECTION T5-5-12)
| Fault Code | Trouble | Cause (Voltage Condition) | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11901-3 | Hydraulic Oil Temperature Sensor Circuit High Input | Voltage: more than 4.35 V | When hydraulic oil temperature is less than 0 °C, the auto-warming up control is impossible. | Check the harness. |
| 11901-4 | Hydraulic Oil Temperature Sensor Circuit Low Input | Voltage: less than 0.1 V | When hydraulic oil temperature is less than 0 °C, the auto-warming up control is impossible. | Check the harness. |
ECF Fault Code List (SECTION T5-5-13)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11600-2 | Abnormal EEPROM | Faulty ECF | Replace ECF. | |
| 11601-2 | Abnormal RAM | Faulty ECF | Replace ECF. | |
| 11602-2 | Abnormal A/D conversion | Faulty ECF | Replace ECF. | |
| 11603-3 | Abnormal sensor voltage | Faulty ECF Faulty sensor Faulty harness |
Although the engine control dial is operated, the engine speed does not change. | Check the sensor connected to ECF. Check the harness. Replace ECF. |
| 11604-2 | Abnormal CAN communication | Faulty ECF Faulty CAN harness |
The machine movement is slow. | Check the CAN harness. Replace ECF. |
| 16605-2 | Abnormal engine speed (overrunning) | Engine speed: more than 4000 min -1 | The machine movement is slow. (During speed sensing, the torque is reduced.) | Check the harness. Replace the N sensor. |
| 16606-3 | Abnormal EC angle sensor high voltage | Voltage: more than 4.78 V |
Engine learning fails. Engine learning is impossible. |
Check the harness. Replace the EC sensor. |
| 16606-4 | Abnormal EC angle sensor low voltage | Voltage: less than 0.22 V |
Engine learning fails. Engine learning is impossible. |
Check the harness. Replace the EC sensor. |
| 16607-2 | Target engine speed sent from MC | Faulty harness | The engine speed is kept at the speed just before trouble. (CAN communication is impossible.) | Check the harness. |
Monitor Controller (Monitor) Fault Code List (SECTION T5-5-14)
| Fault Code | Trouble | Cause | Remedy |
|---|---|---|---|
| 13002-2 | ECF Communication Error | Faulty monitor controller Faulty CAN0 harness |
Check the CAN0 harness. Replace monitor controller. |
| 13003-2 | MC Communication Error 1 | Faulty monitor controller Faulty CAN0 harness |
Check the CAN0 harness. Replace monitor controller. |
| 13004-2 | MC Communication Error 2 | Faulty monitor controller Faulty CAN1 harness |
Check the CAN1 harness. Replace monitor controller. |
| 13005-2 | Monitor Controller (Information) Communication Error 1 | Faulty monitor controller Faulty CAN0 harness |
Check the CAN0 harness. Replace monitor controller. |
| 13006-2 | Monitor Controller (Information) Communication Error 2 | Faulty monitor controller Faulty CAN1 harness |
Check the CAN1 harness. Replace monitor controller. |
| 13007-2 | Wiper / Light Controller Communication Error | Faulty monitor controller Faulty CAN1 harness |
Check the CAN1 harness. Replace monitor controller. |
System Error / Alarm Fault Codes (SECTION T5-5-15)
| Fault Code | Trouble | Cause | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 20100-2 | Overheat Alarm | Coolant temperature is high while the engine runs. | Check the harness. Replace the coolant temperature sensor. |
|
| 20101-2 | Engine Warning Alarm | Faulty engine system | Refer to ECF fault code list. | |
| 20102-2 | Engine Oil Pressure Alarm | Engine oil pressure is reduced. | Check the harness. Replace the engine oil pressure switch. |
|
| 20103-2 | Alternator Alarm |
Voltage at the regulator is high. Voltage at the regulator is low with the engine stopped. |
Check the harness. Check the battery. Check the alternator. |
|
| 20104-2 | Fuel Level Alarm | Fuel level is lowered. | Check the harness. Replace the fuel sensor. |
|
| 20105-2 | Hydraulic Oil Filter Restriction Alarm | Clogged hydraulic oil filter. Open circuit in harness. |
Check the harness. Replace the hydraulic oil filter restriction switch. |
|
| 20106-2 | Air Cleaner Restriction Alarm | Clogged air cleaner. | Check the harness. Replace the air cleaner restriction switch. |
|
| 20109-2 | Pilot Control Shut-Off Lever Alarm | Faulty pilot shut-off switch. | Check the harness. Replace the pilot shut-off switch. |
|
| 20113-2 | System Error Alarm | Faulty CAN communication bus line. | Check the CAN harness. | |
| 20114-2 | Overheat Alarm | Coolant temperature is high within ten seconds after the engine starts. | Check the harness. Replace the overheat switch. |
Monitor Controller (Information) Fault Code List (SECTION T5-5-16)
| Fault Code | Trouble | Cause / Description | Remedy |
|---|---|---|---|
| 14001-2 | Flash Memory Read/Write Error | The internal memory of monitor controller is abnormal. |
After initializing the monitor controller (information) by using MPDr., retry the troubleshooting.
If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. When initializing the monitor controller (information), all stored data is deleted. |
| 14002-2 | External RAM Read/Write Error | The internal memory of monitor controller is abnormal. |
After initializing the monitor controller (information) by using MPDr., retry the troubleshooting.
If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. When initializing the monitor controller (information), all stored data is deleted. |
| 14003-2 | Abnormal EEPROM | The internal memory of monitor controller is abnormal. | Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. |
| 14006-2 | Communication Terminal : Communication Error | Communication error with communication equipment | Check the communication line, power line for communication terminal, and fuses. Then retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the communication equipment may be broken. Replace the communication equipment. |
| 14008-2 | Abnormal Internal RAM | The internal memory of monitor controller is abnormal. | Retry the troubleshooting by using MPDr. If the fault code is displayed after retry, the monitor controller may be broken. Replace the monitor controller. |
| 14021-2 | Communication Terminal Security Error | Security failure of mobile communication equipment |
Check the communication line.
Check the GPS antenna.
If the communication equipment has been replaced, it may be faulty.
Disable the checking function for mobile phone number by security setting of MPDr., then enable it again.
Retry troubleshooting.
If the fault code is displayed again, replace the communication equipment. NOTE: Fault codes 14021-2 and 14022-2 are displayed if mobile communication terminal is equipped. |
| 14022-2 | SIM Card Error | Abnormal SIM card in mobile communication equipment | Retry troubleshooting by using MPDr. If the fault code is displayed after retry, replace the communication equipment. |
| 14023-2 | Security Error | Communication error with MC | Check the CAN1 harness. Retry troubleshooting by using MPDr. If the fault code is displayed after retry, MC may be broken. Replace MC. |
Air Conditioner Controller Fault Code List (SECTION T5-5-17)
| Fault Code | Trouble | Cause / Voltage Condition | Symptoms in Machine Operation When Trouble Occurs | Remedy |
|---|---|---|---|---|
| 11 | Open circuit in air circulation sensor | Voltage: more than 4.95 V | Y value (air flow-in temperature) cannot be adjusted in response to the set-temperature. | Check the harness. Replace the air circulation sensor. |
| 12 | Shorted circuit in air circulation sensor | Voltage: less than 0.3 V | Y value (air flow-in temperature) cannot be adjusted in response to the set-temperature. | Check the harness. Replace the air circulation sensor. |
| 13 | Open circuit in fresh air sensor | Voltage: more than 4.88 V | Operation is controlled under such circumstance as no fresh air sensor is provided. | Check the harness. Replace the fresh air sensor. |
| 14 | Shorted circuit in fresh air sensor | Voltage: less than 0.096 V | Operation is controlled under such circumstance as no fresh air sensor is provided. | Check the harness. Replace the fresh air sensor. |
| 18 | Shorted circuit in solar radiation sensor | Voltage: more than 5.04 V | Operation is controlled under such circumstance as no solar radiation sensor is provided. | Check the harness. Replace the solar radiation sensor. |
| 21 | Open circuit in evaporator sensor | Voltage: more than 4.79 V | Operation is controlled under such circumstance as the evaporator temperature is set to 10 °C (50 °F). | Check the harness. Replace the evaporator sensor. |
| 22 | Shorted circuit in evaporator sensor | Voltage: less than 0.096 V | Operation is controlled under such circumstance as the evaporator temperature is set to 10 °C (50 °F). | Check the harness. Replace the evaporator sensor. |
| 43 | Abnormal air vent damper |
Shorted circuit: Voltage: 0 V Open circuit: Voltage: more than 5 V |
Air vent damper servo motor becomes inoperable. | Check the harness. Replace the air vent damper servo motor. |
| 44 | Abnormal air mix damper |
Shorted circuit: Voltage: less than 0.2 V Open circuit: Voltage: more than 4.8 V |
Air mix damper servo motor becomes inoperable. | Check the harness. Replace the air vent damper servo motor. |
| 51 | Abnormal high/low refrigerant pressure | Voltage: 0 V | The compressor clutch is disengaged. (The compressor stops.) | Check the harness. Replace the high/low pressure switch. |
| 91 | CAN communication error | Faulty CAN1 harness between monitor controller and air conditioner controller | Air conditioner stops. | Check the CAN1 harness. Replace air conditioner controller. |
| 92 | CAN bus off error | Faulty air conditioner controller Faulty CAN1 harness |
Air conditioner stops. | Check the CAN1 harness. Replace air conditioner controller. |
Communication Terminal Fault Code List (SECTION T5-5-18)
| Fault Code | Trouble | Cause / Description | Remedy / Note |
|---|---|---|---|
| 14100-2 | Communication Terminal: Abnormal EEPROM | The internal memory of satellite communication terminal (optional) is abnormal. | Replace the controller (satellite communication terminal). |
| 14101-2 | Communication Terminal: Abnormal IB/OB Queue | The internal memory of satellite communication terminal (optional) is abnormal. | Replace the controller (satellite communication terminal). |
| 14102-2 | Communication Terminal: Abnormal Local Loop Back | Abnormality is detected on communication test with the satellite. | Check the communication antenna for satellite. |
| 14103-2 | Communication Terminal: No Satellite Found | Satellite can not be caught. | Check the communication antenna for satellite. |
| 14104-2 | Communication Terminal: Remote Loop Back Error 1 | Abnormality is detected on communication test with the satellite and base station. | Replace the controller (satellite communication terminal). |
| 14105-2 | Communication Terminal: Remote Loop Back Error 2 | Abnormality is detected on communication test with the satellite and base station. | Replace the controller (satellite communication terminal). |
| 14106-2 | Communication Terminal: Transmission/Receiving Data Unmatched | Transmission/receiving data with the satellite is unmatched. | Replace the controller (satellite communication terminal). |
| 14107-2 | Communication Terminal: Abnormal GSM Module | Abnormal mobile communication equipment |
Replace the controller (mobile communication terminal). NOTE: Fault codes 14100-2 to 14106-2 are satellite communication terminal. Fault code 14107-2 is mobile communication terminal. |
End of Group 5 Troubleshooting fault code list for Hitachi ZX-5G.
Conclusion
This complete Hitachi ZX‑5G fault code list helps technicians quickly identify and fix issues related to MC, CAN communication, engine, pump, pilot pressure, solenoid valves, ECF, monitor controller, air conditioner controller, and communication terminal systems. Bookmark this guide for fast reference during troubleshooting.
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