[Troubleshooting] Hitachi excavator fault code fault code
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.
③ 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.
(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.
③ 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) 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.
③ 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
(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.
③ 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.
(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.
③ 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.
(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.
③ 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.
(7) fault code 0041-03: 8V DC power supply and battery positive short-circuit
① 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.
② cause of the malfunction is detected ECM ECM or ECM charging more than Is readout signal voltage higher than 8.45V sustained Is.
③ 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.
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.
③ 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.
(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.
③ 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) 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.
③ 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
(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.
③ 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.
(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.
③ 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.
(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.
③ 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.
(7) fault code 0041-03: 8V DC power supply and battery positive short-circuit
① 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.
② cause of the malfunction is detected ECM ECM or ECM charging more than Is readout signal voltage higher than 8.45V sustained Is.
③ 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.
