MTU 20V4000Lx2x Operating Instructions Manual page 94

1.4550.038 – A - Loss of Position Demand
Red alarm. Initiated by ProAct A-Bank.
Cause
Position demand is missing or out
of range
1.4550.039 – A - Demand Tracking Fault
Yellow alarm. Initiated by ProAct A-Bank.
Cause
ProAct setting is not correct.
1.4550.040 – A - Analog Position Demand Failed
Yellow alarm. Initiated by ProAct A-Bank.
Cause
ProAct setting is not correct.
1.4550.041 – A - PWM Position Demand Failed
Yellow alarm. Initiated by ProAct A-Bank.
Cause
ProAct setting is not correct.
1.4550.042 – A - CAN Position Demand Failed
Red alarm. Initiated by ProAct A-Bank.
Cause
Position demand not received or
received too late
1.4550.043 – A - CAN Fault (CAN Bus Off, CAN Ad)
Red alarm. Initiated by ProAct A-Bank.
Cause
CAN bus connection faulty.
1.4550.044 – A - CAN Stop Command
Yellow alarm. Initiated by ProAct A-Bank.
Cause
"Stop" demand received via CAN
bus
94 | Troubleshooting | MS150122/00E 2015-07
Corrective action
1. Check setting.
2. Check cabling.
Corrective action
u Check setting.
Corrective action
u Check setting.
Corrective action
u Check setting.
Corrective action
u Check cabling and setting.
Corrective action
u Check cabling and setting.
Corrective action
u Check setting.