MTU 12 V 4000 L62FB Operating Instructions Manual page 82

1.4520.275 – Odd Energy Level out of Range
Yellow alarm. Initiated by IC922.
Cause
Specified energy level is beyond
the valid range.
1.4520.276 – Even Energy Level out of Range
Yellow alarm. Initiated by IC922.
Cause
Specified energy level is beyond
the valid range.
1.4510.186 – Error Status
Red alarm. Initiated by anti-knock control.
Cause
GET combined alarm. At least one
other GET alarm is pending.
1.4510.187 – Combined Error
Red alarm. Initiated by anti-knock control.
Cause
Combined alarm (for details, refer
to the source alarm).
1.4510.188 – Internal Error
Red alarm. Initiated by anti-knock control.
Cause
Hardware not ready for operation.
1.4510.189 – Error Camshaft
Red alarm. Initiated by anti-knock control.
Cause
No signal from camshaft sensor
for anti-knock control.
1.4510.192 – Knock Sensor Error A1
Red alarm. Initiated by anti-knock control.
Cause
No signal from this knock sensor.
82 | Troubleshooting | MS150098/02E 2016-11
Corrective action
u Adjust value.
Corrective action
u Adjust value.
Corrective action
u Rectify cause of alarm.
Corrective action
u Combined alarm (for details, refer to the source alarm).
Corrective action
u Restart knock module.
Corrective action
u Check cabling. Check sensor B 1.3 and replace if necessary.
Corrective action
1. Check cabling.
2. Check sensor (tightening torque, damage), replace as necessary.