MTU 12V4000M*3 series Operating Instructions Manual page 209

410 – LO U-PDU
Injector voltage too low (limit value 1)
Yellow alarm; warning
Cause
Wiring damage or faulty power
supply.
411 – LOLO U-PDU
Injector voltage too low (limit value 2)
Red alarm; engine shutdown
Cause
Wiring damage or faulty power
supply.
412 – HI U-PDU
Injector voltage too high (limit value 1)
Yellow alarm; warning
Cause
Wiring damage or faulty power
supply.
413 – HIHI U-PDU
Injector voltage too high (limit value 2)
Red alarm; engine shutdown
Cause
Wiring damage or faulty power
supply.
ZKP-Number: 2.0141.921
Corrective action
1. Check wiring (→ Page 346).
2. Check supply.
3. Contact Service.
ZKP-Number: 2.0141.922
Corrective action
1. Check wiring (→ Page 346).
2. Check supply.
3. Acknowledge alarm.
4. Contact Service.
ZKP-Number: 2.0141.931
Corrective action
1. Check wiring (→ Page 346).
2. Check supply.
3. Contact Service.
ZKP-Number: 2.0141.932
Corrective action
1. Check wiring (→ Page 346).
2. Check supply.
3. Acknowledge alarm.
4. Contact Service.
MS15036/00E 2018-08 | Troubleshooting | 207