[Troubleshooting] Hitachi excavator fault code fault code Hitachi 200-3 240-3270-3 fault code: 11100-2 abnormal engine speed 11101-3 engine speed control knob sensor high pressure anomaly 11101-4 Low engine speed control knob sensor anomaly 11200-3 pump an oil pressure sensor high pressure anomaly 11200-4 pump an oil pressure sensor low pressure anomaly 11202-3 high pressure pump 2 oil pressure sensor anomaly 11202-4 pump 2 Low oil pressure sensor is abnormal 11206-3 pump an abnormal high pressure pump control pressure sensor 11206-4 pump a high-pressure pump control abnormal low pressure sensor 11208-3 pump two high-pressure pump control pressure sensor anomaly 11208-4 pump two high-pressure pump control abnormal low pressure sensor 11301-3 swing pilot pressure sensor high pressure anomaly 11301-4 swing pilot pressure sensor low pressure anomaly 11302-3 Boom pilot pressure sensor high pressure anomaly 11302-4 Boom pilot pressure sensor low pressure anomaly 11303-3 Stick to recover the pilot pressure sensor high pressure anomaly 11303-4 Stick to recover the pilot pressure sensor low pressure anomaly 11304-3 walking pilot pressure sensor high pressure anomaly 11304-4 walking pilot pressure sensor low pressure anomaly 11307-3 front attachment pilot pressure sensor high pressure anomaly 11307-4 front attachment pilot pressure sensor low pressure anomaly 11400-2 pump 2 maximum flow limit control solenoid valve current feedback abnormal 11400-3 pump 2 maximum flow limit high-current feedback control solenoid valve
abnormalities 11400-4 pump 2 maximum flow limit low-current feedback control solenoid valve abnormalities 11401-2 torque current feedback control solenoid valve abnormalities 11401-3 torque feedback control solenoid valve high current abnormal 11401-4 torque low current feedback control solenoid valve abnormalities 11402-2 solenoid valve unit (SF) (tap renewable) Current Feedback abnormal 11402-3 solenoid valve unit (SF) (mining regeneration) high current abnormal feedback 11402-4 solenoid valve unit (SF) (tap renewable) feedback low current abnormal 11403-2 solenoid valve unit (SC) (Stick Regeneration) Current Feedback abnormal 11403-3 solenoid valve unit (SC) (stick regeneration) high current abnormal feedback 11403-4 solenoid valve unit (SC) (Stick Regeneration) feedback low current abnormal 11404-2 solenoid valve unit (SG) (relief pressure control) Current Feedback abnormal 11404-3 solenoid valve unit (SG) (relief pressure control) high current abnormal feedback 11404-4 solenoid valve unit (SG) (relief pressure control) feedback low current abnormal 11405-2 solenoid valve unit (SI) (walking motor quick selection) Current Feedback abnormal 11405-3 solenoid valve unit (SI) (motor running quickly select) high current abnormal feedback 11405-4 solenoid valve unit (SI) (walking motor quick selection) feedback low current abnormal 11410-2 pump a maximum flow limit control solenoid valve (optional) Current Feedback abnormal 11410-3 pump a maximum flow limit control solenoid valve (optional) high current abnormal feedback 11410-4 pump a maximum flow limit control solenoid valve (optional) feedback low current abnormal 11910-2 ECM received from the actual engine speed 11918-2 received from the monitor mode to 11911-2 safety from the ECM receives a signal
11920-2 from the ECM receives fuel flow 11914-2 ECM received from the radiator coolant temperature 11901-3 high-pressure hydraulic oil temperature sensor 11901-4 low pressure hydraulic oil temperature sensor 11905-3 boom bottom pressure sensor high pressure (optional) abnormalities 11905-4 boom bottom pressure sensor low voltage (optional) abnormalities ECM Sensor System Malfunction Code Cause 636-2 camshaft angle sensor error (no signal) despite crank signal, but the signal does not appear cam. 636-2 camshaft angle sensor abnormality (abnormal signal) does not match the cam signal pulses. 723-2 crank speed sensor abnormality (no signal) despite crank signal, cam signal does not appear. 723-2 crank speed sensor abnormality (abnormal signal) does not match the cam signal pulses. 636-7 camshaft phase mismatch of the crank angle sensor gap at the right cam pulse does not exist. 172-3 intake air temperature sensor is abnormal (high error) after starting the engine intake air temperature sensor within 3 minutes a voltage higher than 4.95 V 172-4 intake air temperature sensor is abnormal (low pressure anomaly) intake air temperature sensor voltage is less than 0.1 V 110-3 coolant temperature sensor abnormality (abnormal high pressure) coolant temperature sensor voltage higher than 4.85 V 110-4 coolant temperature sensor abnormality (low pressure anomaly) coolant temperature sensor voltage is less than 0.1 V 102-4 pressurized intake air pressure sensor anomaly (high pressure anomaly) pressurized
intake air pressure sensor voltage greater than 4.9 V 102-3 pressurized intake air pressure sensor anomaly (low pressure anomaly) pressurized intake air pressure sensor voltage is less than 0.1 V 10001-3 EGR abnormal position (brushless specification) EGR position output signal conditions can not appear 108-4 atmospheric pressure sensor abnormality (abnormal high pressure) is higher than the atmospheric pressure sensor voltage 3.8 V 108-3 atmospheric pressure sensor anomaly (low pressure anomaly) atmospheric pressure sensor voltage is less than 0.5 V 174-3 fuel temperature sensor anomaly (high pressure anomalies) within 3 minutes after starting the engine fuel temperature sensor voltage higher than 4.85 V 174-4 fuel temperature sensor abnormality (low pressure anomaly) fuel temperature sensor voltage is less than 0.1 V 157-3 rail pressure sensor anomaly (high pressure anomaly) rail pressure sensor voltage greater than 4.5 V 157-3 rail pressure sensor anomaly (low pressure anomaly) rail pressure sensor voltage is less than 0.7 V 100-4 oil pressure sensor abnormality (abnormal high pressure) oil pressure sensor voltage higher than 4.85 V 100-3 oil pressure sensor abnormality (low pressure anomaly) oil pressure sensor voltage is less than 0.1 V 105-3 supercharged intake air temperature sensor is abnormal (abnormal high pressure) within five minutes or more after starting the engine coolant temperature or time exceeds 50 ° C (122 ° F), the pressurized intake air temperature sensor voltage higher than 4.95V 105-4 pressurized intake air temperature sensor is abnormal (low pressure anomaly) pressurized intake air temperature sensor voltage is less than 0.1 V
636-2 camshaft angle sensor error (no signal)
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636-2 camshaft angle sensor abnormality (abnormal signal) When the operation is not affected. Can not be restarted after shutdown
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723-2 crank speed sensor abnormality (no signal) ○ 723-2 crank speed sensor abnormality (abnormal signal) Output power does not drop ○
636-7 camshaft angle sensor is not affected when the phase mismatch action. After the shutdown can not be restarted ○ ○ 172-3 intake air temperature sensor is abnormal (high pressure anomaly)
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172-4 intake air temperature sensor is abnormal (low pressure anomaly) Output power does not drop ○
110-3 coolant temperature sensor is abnormal (high pressure anomaly) ○
110-4 coolant temperature sensor abnormality (low pressure anomaly) Output power does not drop ○
102-4 pressurized intake air pressure sensor anomaly (high pressure anomaly) ○
102-3 pressurized intake air pressure sensor anomaly (low pressure anomaly) Output power does not drop ○
10001-3 EGR abnormal position (brushless specification) output power does not drop ○ 108-4 atmospheric pressure sensor abnormality (abnormal high pressure) 108-3 atmospheric pressure sensor anomaly (low pressure anomaly) Output power does not drop ○
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174-3 fuel temperature sensor abnormality (abnormal high pressure) ○ 174-4 fuel temperature sensor abnormality (low pressure anomaly) Output power does not drop ○
157-3 rail pressure sensor anomaly (high pressure anomaly) ○
157-4 rail pressure sensor anomaly (low pressure anomaly) Output power reduction: 70% ○
100-4 oil pressure sensor abnormality (abnormal high pressure)
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100-3 oil pressure sensor abnormality (low pressure anomaly) 105-3 pressurized intake air temperature sensor is abnormal (high pressure anomaly)
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105-4 pressurized intake air temperature sensor is abnormal (low pressure anomaly) 10002-2 EGR valve control abnormal valve target position and the actual upgrade to enhance the position difference exceeds 20% 1347-0 Suction control valve drive system open, + B or shorted to ground Suction control valve drive current is higher than 2400 mA or less than 50 mA. Or target current and the actual current difference of 1000 mA or more 651-3 nozzle # 1 Open injector drive system without a monitor input signal 652-3 nozzle # 2 drive system open injector 2 no input signal monitor 653-3 nozzle # 3 drive system open injector 3 no input signal monitor 654-3 nozzle # 4 drives open injector 4 is no input signal monitor 655-3 nozzle # 5 drive system open injector 5 is no input signal monitor 656-3 nozzle # 6 drive system open injector 6 is no input signal monitor 157-0 common sump pressure anomaly (a) share the tank pressure exceeds 185 MPa 157-0 common sump pressure anomalies (two) a “shared sump pressure abnormal,” and shared the tank pressure exceeds 190 MPa
157-2 common sump abnormal pressure (pump overpressure) when the suction control valve is a power of 40% or more, or when the target pressure of the suction control valve 90 mm3 / sec or less, the actual pressure is higher than the target oil tank sump pressure 40MPa (410 kg / cm2, 5820 psi) 633-7 pressure limiter opening pressure limiter Open 1240-1 no pressure feed to the pump (fuel leakage) the control valve when the suction power is 33% or less, or when the control valve is delivered to the suction pressure of 28000 mm3 / sec or more and 1200 min 1-speed, the actual the tank pressure is higher than the target pressure of the tank 50 MPa (510 kg / cm2, 7270 psi) 1239-1 no pressure feed to the pump (fuel leakage) when the pressure supplied to the control valve so that the suction is 900 min 1-speed, the actual pressure of the tank is 15 MPa (150 kg / cm2, 2180 psi) or less A fault code: 11301-3 Problem: Rotary pilot pressure sensor high pressure anomaly Cause: Voltage 4.75V or more Affected control: (1) stick regeneration control (2) Attachment Flow Control (3) rotation alarm control Failure occurs when the machine is working symptoms: (1) a combination of arm swing back and stick-in operation is slow (2) If the machine is equipped with a rotary alarm and when the alarm works when the rotary, rotary continuous ringing alarm Notes: (1) Check the wiring harness (2) replace the rotary pilot pressure sensor
2, fault code: 11301-4 Problem: Rotary pilot pressure sensor low pressure anomaly Cause: The voltage of less than 0.25V Affected control: (1) stick regeneration control (2) Attachment Flow Control (3) rotation alarm control Failure occurs when the machine is working symptoms: (1) a combination of arm swing back and stick-in operation is slow (2) If the machine is equipped with a rotary alarm and when the alarm works when the rotary, rotary continuous ringing alarm Notes: (1) Check the wiring harness (2) replace the rotary pilot pressure sensor 3, fault code: 11301-3
Problem: Boom pilot pressure sensor high pressure anomaly Cause: Voltage 4.75V or more Affected control: (1) HP mode control (2 stick regeneration control (3) excavator regeneration control (4) Automatic power boost control (5) Accessories Flow Control Failure occurs when the machine is working symptoms: (1) HP control when the boom lifting speed without lifting (2) recovery and boom arm combination to enhance the operating arm slow Notes: (1) Check the wiring harness (2) replace Boom pilot pressure sensor
4, fault code: 11301-4 Problem: Boom pilot pressure sensor low pressure anomaly Cause: The voltage is lower than 0.25V Affected control: (1) HP mode control (2 stick regeneration control (3) excavator regeneration control (4) Automatic power boost control (5) Accessories Flow Control Failure occurs when the machine is working symptoms: (1) HP control when the boom lifting speed without lifting (2) recovery and boom arm combination to enhance the operating arm slow Notes: (1) Check the wiring harness (2) replace Boom pilot pressure sensor [Hitachi excavator ZX240-3 several common fault code details]
(1) Excavators one cylinder injector fault, fault code 0001-11 ①
Main Symptom
a · individual cylinder diesel engine does not fire. b. diesel power is low. ②
Cause
a.1 cylinder injector solenoid wire circuit, short-circuit. b.1 electromagnetic coil inside the cylinder injector open circuit, short circuit. system response ECM will record fault code, fault code can be viewed on the display module or ET. Reason if the generated code is a common fault short circuit or open circuit, then there are two cylinders will be affected, since they use the same wires to injector on. ③
(2) fault code 0002-11: two cylinder injector fault ①
Main Symptom
a. individual cylinder diesel engine does not fire. b. diesel power is low. ②
Cause
a · 2 cylinder injector solenoid wire circuit, short-circuit. b.2 electromagnetic coil inside the cylinder injector open circuit, short circuit. system response ECM will record fault code, can be viewed on the display module or ET fault code. Reason if the generated code is a common fault short circuit or open circuit, then there are two cylinders will be affected, since they use the same guide. Line receiving the injectors. ③
(3) fault code 0003-11: three-cylinder injector fault ①
Main Symptom
a. individual cylinder diesel engine does not fire. b. diesel power is low. ②
Cause
a.3 cylinder injector solenoid wire circuit, short-circuit. b.3 electromagnetic coil inside the cylinder injector open circuit, short circuit. system response ECM will record fault code, fault code can be viewed on the display module or ET. Reason if the generated code is a common fault short circuit or open circuit, then there are two cylinders will be affected, since they use the same wires to injector on ③
(4) fault code 0004-11: four-cylinder injector fault ①
Main Symptom
a · individual cylinder diesel engine does not fire. b. diesel power is low. ②
Cause
a · 4-cylinder injector solenoid coil wire open circuit, short circuit. b.4 electromagnetic coil inside the cylinder injector open circuit, short circuit.
system response ECM will record fault code, fault code can be viewed on the display module or ET. Reason if the generated code is a common fault short circuit or open circuit, then there are two cylinders will be affected, since they use the same wires to injector on. ③
(5) fault code 0005-11: five-cylinder injector fault ①
Main Symptom
a. individual cylinder diesel engine does not fire. b. diesel power is low. ②
Cause
a.5 cylinder injector solenoid wire circuit, short-circuit. b.5 electromagnetic coil inside the cylinder injector open circuit, short circuit. system response ECM will record fault code, fault code can be viewed on the display module or ET. Reason if the generated code is a common fault short circuit or open circuit, then there are two cylinders will be affected, since they use the same wires to injector on. ③
(6) fault code 0006-11: 6-cylinder injector fault ①
Main Symptom
a. individual cylinder diesel engine does not fire. b. diesel power is low. ②
Cause
a.6 cylinder injector solenoid wire circuit, short-circuit. b.6 electromagnetic coil inside the cylinder injector open circuit, short circuit. system response ECM will record fault code, fault code can be viewed on the display module or ET. Reason if the generated code is a common fault short circuit or open circuit, then there are two cylinders will be affected, since they use the same wires to injector on. ③
(7) fault code 0041-03: 8V DC power supply and battery positive short-circuit Main Symptom If the voltage is significantly lower than 8V, it will have a significant impact on diesel engines, diesel engines will be limited to low idle state. ①
cause of the malfunction is detected ECM ECM or ECM charging more than Is readout signal voltage higher than 8.45V sustained Is. ②
system response ECM will record the fault code, fault code can be viewed on the display module or .ECM ET all digital sensor data is marked as invalid data, and all the digital sensor ③
data are set to default values. (8) fault code 0041-04: 8V DC power supply and ground short Main Symptom If the voltage is significantly lower than 8V, it will have a significant impact on diesel engines, diesel engines will be limited to low idle state. ①
cause of the malfunction is detected ECM ECM or ECM charging more than Is readout signal voltage higher than 8.45V sustained Is. ②
system response ECM will record the fault code, fault code can be viewed on the display module or .ECM ET all digital sensor data is marked as invalid data, and all the digital sensor data are set to default values. ③
Hitachi excavator -2, -3 Series – Maintenance fault code analysis
Excavator fault code fault code analysis, fault phenomenon 09EC Hitachi excavator sensor failure or sensor harness shorted 10EC sensor harness connection is bad, bad contact Hitachi excavator excavator N sensor fault on behalf of the 13 abnormal sensor harness connection between N and EC bad 17 Hitachi excavators PVC failure, excavator engine does not work Fault code 18PVC failure, excavators can not properly work 19 PVC failure excavator, excavators can not work Hitachi excavator Hitachi excavator fault on behalf of 21 PVC failure, Hitachi excavator engine and machine function failure, not a job 22 HITACHI oil pump control is not normal Fault code 25 excavators DP sensor and wiring harness is not connected, poor contact 26 Hitachi excavators DP sensor and wiring harness shorted Hitachi excavator P sensor fault on behalf of the 27 excavators and harness shorted 28P Hitachi excavator sensor and harness bad contact, the input signal from the sensor is lower than 0.25V 29A sensor fault code and harness shorted, excavators input signal is greater than 4.75V 30 Hitachi excavator A bad sensor and wiring harness connector, sensor input signal falls
below 0.25V Hitachi excavator fault generation 31 R sensor and harness bad contact, T sensor input signal is greater than 4.75V 32 T Hitachi excavator bad sensor or wiring harness connector, sensor input signal falls below 0.25V Fault code 33 excavator arm to enhance pilot pressure sensor or wire shorted, Hitachi excavator sensor input voltage is higher than 4.75 volts Failure on behalf of the 34 Hitachi excavator excavator arm to enhance pilot pressure sensors, sensor wire is disconnected 35 excavator arm low voltage sensor input signal is greater than 4.75 Hitachi excavator Hitachi excavator arm fault code 36 low voltage sensor input signal is too small, or forearm low pressure sensor wire is disconnected
Hitachi (HLTACHL) explain in detail excavator fault code troubleshooting steps: 1 fault code 0164-04: injection-driven pressure sensor and ground short ①
Main Symptom
a. diesel low power operation. b. diesel engine idling bad. ②
Cause ECM detects all of the following conditions:
. a fuel injector drive signal voltage is lower than 0.1V pressure sensor at least 0.6s; b.5V sensor battery positive supply line and short-circuit fault code does not currently exist 0262-03; c.5V sensor power lines and ground short circuit fault code does not currently exist 0262-04; . d has at least a power supply to the ECM 2s; e. cooling mode does not currently exist. system response ECM will record fault code, can be viewed on the display module or ET fault code .ECM the injector driving pressure marked as invalid data, and the use of 17.5MPa pressure injection as the default .ECM will drive pressure control the valve current is set to a fixed value. ③
2 fault code 0164-11: injector actuation pressure sensor mechanical failure
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Main Symptom
a. diesel low power operation. b. diesel engine idling bad. c. Under normal operating temperature of the diesel engine difficult to start. d. below the normal operating temperature of the diesel engine is easy to start. ②
Cause ECM detects one of the following situations:
. a difference between the actual injection pressure and injection required to drive the driving pressure exceeds 3MPa; b. leading to the fuel injection pressure control valve drive maximum or minimum output current for longer than the time required This fault code indicates that there is a mechanical fault, ECM and the electronic control system is operating normally. system response ECM will record fault code, fault code can be viewed on the display module or ET. ③
Troubleshooting perhaps only at operating temperatures have failed. If the system recently repaired, then the injector drive system may exist air start the engine for several minutes under 1500r / min speed, to exclude residual air. ④
3 fault code 0168-02: System voltage ripple ①
Main Symptom
a. diesel engine does not fire. b. diesel engine stops running. ②
Cause ECM detects any of the following situations:
. a diesel engine can not be started, the battery voltage drops below 9V, rebounded after 0.06s; b. diesel engine can not be started, the battery voltage is three times lower in the last 7s, less than 9V. system response ECM will record fault code, fault code can be viewed on the display module or ET. Only when the diesel engine ECM will record operating code. ③
4 fault code 0172-03: intake air temperature sensor and battery positive open / short ①
Main Symptom diesel low power operation.
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Cause ECM detects all of the following conditions:
a.ECM read signal voltage above 4.92V at least 8s; b.5V sensor battery positive supply line and short-circuit fault code does not currently exist 0262-03; c.5V sensor power lines and ground short circuit fault code does not currently exist 0262-04; d. supply of power to at least the existing ECM 2s. system response ECM will record fault code, can be viewed on the display module or ET fault code .ECM intake air temperature will be marked as invalid data, and the use of a temperature of 85 degrees as the default. ③
5 fault code 0172-04: intake air temperature sensor shorted to ground ①
Main Symptom diesel low power operation.
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Cause ECM detects all of the following conditions:
a.ECM read below 0.2V signal voltage of at least 8s; b.5V sensor battery positive supply line and short-circuit fault code does not currently exist 0262-03; c.5V sensor power lines and ground short circuit fault code does not currently exist 0262-04; d. supply of power to at least the existing ECM 2s. system response ECM will record fault code, can be viewed on the display module or ET fault code .ECM intake air temperature will be marked as invalid data, and the use of a temperature of 85 degrees as the default. ③
6 fault code 0175-03: oil temperature sensor and battery positive open / short ①
The main symptom is no symptoms.
②
Cause ECM detects all of the following conditions:
a.ECM read signal voltage above 4.92V at least 8s; b.5V sensor battery positive supply line and short-circuit fault code does not currently exist 0262-03; c.5V sensor power lines and ground short circuit fault code does not currently exist 0262-04; d. supply of power to at least the existing ECM 2s. system response ECM will record fault code, fault code can be viewed on the display module or ET .ECM oil temperature will be marked as invalid data, and adjust the oil temperature values into the coolant temperature value. If the coolant temperature sensor is ③
faulty, one should use the following values: . a diesel engine running, the oil temperature is set at 65 degrees; When b. diesel engine stops running, the oil temperature is set to -10 degrees.
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