MTU 12V4000M*3 series Operating Instructions Manual page 205

383 – AL Wiring TOP 3
Line disruption on digital input 3
Yellow alarm; warning
Cause
Short circuit or wire break on
transistor output, plant-side 3
(TOP 3).
384 – AL Wiring TOP 4
Line disruption on digital input 4
Yellow alarm; warning
Cause
Short circuit or wire break on
transistor output, plant-side 4
(TOP 4).
390 – AL MCR exceeded
Speed limiter/MCR function: the maximum continuous rate was exceeded
Yellow alarm; engine power limited to admissible 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.
ZKP-Number: 2.8006.640
Corrective action
u Check wiring to plant.
ZKP-Number: 2.8006.641
Corrective action
u Check wiring to plant.
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.
MS15036/00E 2018-08 | Troubleshooting | 203