MTU M015710/04E Operating Instructions Manual page 103

430 – LO P-Coolant before Engine
Limit value 1
Cause
Coolant pressure too low.
431 – SS P-Coolant before Engine
Limit value 2
Cause
Coolant pressure too low.
434 – HI T-Coolant before Engine
Limit value 1
Cause
Coolant temperature too high.
435 – SS T-Coolant before Engine
Limit value 2
Cause
Coolant temperature too high.
440 – AL L1 P-Aux 1
Limit value 1
Cause
Pressure signal of Aux 1 has
exceeded / not attained limit
value 1, depending on
configuration.
442 – AL L2 P-Aux 1
Limit value 2
Cause
Pressure signal of Aux 1 has
exceeded / not attained limit
value 2, depending on
configuration.
118 | Troubleshooting | M015710/04E 2012-09
ZKP-Number: 20.168.921
Corrective action
u Check coolant circuit.
ZKP-Number: 20.168.922
Corrective action
u Check coolant circuit.
ZKP-Number: 20.173.931
Corrective action
u Check coolant circuit.
ZKP-Number: 20.173.932
Corrective action
u Check coolant circuit.
ZKP-Number: 2.0110.921
Corrective action
u Determine cause of limit value violation and rectify fault.
ZKP-Number: 2.0110.931
Corrective action
u Determine cause of limit value violation and rectify fault.