MTU 16V2000M72 Operating Instructions Manual page 87

384 – AL Wiring TOP 4
PV-Number:
Cause
Short circuit or wire break at
transistor output 4 plant-side
(TOP 4).
390 – AL MCR exceeded
PV-Number:
Cause
The current engine power exceeds
the continuously permissible
maximum rating.
400 – AL Open Load Digital Input 1
PV-Number:
Cause
Open load detected at digital
input 1 of the ECU.
401 – AL Open Load Digital Input 2
PV-Number:
Cause
Open load detected at digital
input 2 of the ECU.
402 – AL Open Load Digital Input 3
PV-Number:
Cause
Open load detected at digital
input 3 of the ECU.
403 – AL Open Load Digital Input 4
PV-Number:
Cause
Open load detected at digital
input 4 of the ECU.
Corrective action
1. Check engine wiring (→ Page 160).
2. Contact Service.
Corrective action
1. Reduce power.
2. Observe any other messages.
Corrective action
1. Check engine wiring (→ Page 160).
2. Check plug connections for engine governor ECU (→ Page 163).
3. Contact Service.
Corrective action
1. Check engine wiring (→ Page 160).
2. Check plug connections for engine governor ECU (→ Page 163).
3. Contact Service.
Corrective action
1. Check engine wiring (→ Page 160).
2. Check plug connections for engine governor ECU (→ Page 163).
3. Contact Service.
Corrective action
1. Check engine wiring (→ Page 160).
2. Check plug connections for engine governor ECU (→ Page 163).
3. Contact Service.
M015650/06E 2018-05 | Troubleshooting | 87