Operating instructions

420 – AL L1 Aux 1
ZKP-Number: 2.0160.921
Limit value 1
Cause Corrective action
Input signal of Aux 1 has
exceeded/not attained limit value
1, depending on configuration.
u Determine and rectify reason for limit value violation.
421 – AL L2 Aux 1
ZKP-Number: 2.0160.922
Limit value 2
Cause Corrective action
Input signal of Aux 1 has
exceeded/not attained limit value
2, depending on configuration.
u Determine and rectify reason for limit value violation.
428 – AL L1 T-Aux 1
ZKP-Number: 2.0130.921
Limit value 1
Cause Corrective action
Temperature signal of Aux 1 has
exceeded / not attained limit
value 1, depending on
configuration.
u Determine and rectify reason for limit value violation.
430 – LO P-Coolant before Engine
ZKP-Number: 20.168.921
Limit value 1
Cause Corrective action
Coolant pressure too low. u Check coolant circuit.
431 – SS P-Coolant before Engine
ZKP-Number: 20.168.922
Limit value 2
Cause Corrective action
Coolant pressure too low. u Check coolant circuit.
90 | Troubleshooting | MS150093/01E 2012-06
TIM-ID: 0000008506 - 001