MTU 12 V 4000 M23F Operating Instructions Manual page 138

390 – AL MCR exceeded
Speed limiter/MCR function: the maximum continuous rate was exceeded
Yellow alarm; engine power limited to permissible continuous power
Cause
Engine was overloaded
continuously.
392 – HI T-Coolant Red
Limit value 1
Cause
Redundant coolant temperature
reading too high.
393 – SS T-Coolant Red
Limit value 2
Cause
Redundant coolant temperature
reading too high; engine stop.
394 – LO P-Lube Oil Red
Limit value 1
Cause
Redundant lube oil pressure
reading too low.
395 – SS P-Lube Oil Red
Limit value 2
Cause
Redundant lube oil pressure
reading too low.
396 – TD T-Coolant Sensor Deviation
Cause
Maximum coolant temperature
deviation.
138 | Troubleshooting | MS150068/01E 2014-01
ZKP-Number: 1.1085.009
Corrective action
u With a continuous alarm, contact Service.
ZKP-Number: 2.0129.931
Corrective action
1. Check wiring.
2. Contact Service.
ZKP-Number: 2.0129.932
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 2.0112.921
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 2.0112.922
Corrective action
1. Check wiring and sensor.
2. Contact Service.
ZKP-Number: 1.0480.193
Corrective action
1. Check wiring and sensor.
2. Contact Service.