440 – AL L1 P-Aux 1
ZKP-Number: 2.0110.921
Limit value 1
Cause
Corrective action
Pressure signal of Aux 1 has
exceeded / not attained limit
value 1, depending on
configuration.
u
Determine cause of limit value violation and rectify fault.
442 – AL L2 P-Aux 1
ZKP-Number: 2.0110.931
Limit value 2
Cause
Corrective action
Pressure signal of Aux 1 has
exceeded / not attained limit
value 2, depending on
configuration.
u
Determine cause of limit value violation and rectify fault.
444 – SD U-PDU
ZKP-Number: 1.8004.578
Injector power stage supply voltage fault
Yellow alarm; warning
Cause
Corrective action
Sensor defect of injector power
stage, or internal fault of engine
governor.
u
Replace Engine Control Unit.
445 – SD P-Ambient Air
ZKP-Number: 1.8004.580
Signal error, ambient air pressure sensor
Yellow alarm; warning
Cause
Corrective action
Ambient air pressure sensor
faulty.
u
Replace Engine Control Unit.
150 | Troubleshooting | MS150110/00E 2013-10
TIM-ID: 0000045495 - 001