MTU 12 V 4000 M23F Operating Instructions Manual page 141

408 – AL Open Load Emerg. Stop Input ESI
Line disruption at input for emergency stop
Yellow alarm; warning
Cause
Wiring faulty or no resistance
over switch.
410 – LO U-PDU
Injector voltage too low (limit value 1)
Yellow alarm; warning
Cause
Wiring damage or faulty current
supply.
411 – LOLO U-PDU
Injector voltage too low (limit value 2)
Red alarm; engine shutdown
Cause
Wiring damage or faulty current
supply.
412 – HI U-PDU
Injector voltage too high (limit value 1)
Yellow alarm; warning
Cause
Wiring damage or faulty current
supply.
ZKP-Number: 2.8006.633
Corrective action
1. Check wiring (→ Page 265).
2. Check target device input.
3. Contact Service.
ZKP-Number: 2.0141.921
Corrective action
1. Check wiring (→ Page 265).
2. Check supply.
3. Contact Service.
ZKP-Number: 2.0141.922
Corrective action
1. Check wiring (→ Page 265).
2. Check supply.
3. Acknowledge alarm.
4. Contact Service.
ZKP-Number: 2.0141.931
Corrective action
1. Check wiring (→ Page 265).
2. Check supply.
3. Contact Service.
MS150068/01E 2014-01 | Troubleshooting | 141