1168 – AL Inplausible NOx Low Limit1
Cause
Corrective action
NOx emissions too low.
Cumulative NOx emissions from
the engine have violated limit
value 1.
u
Contact Service.
1172 – AL Inplausible NOx High Limit2
Cause
Corrective action
NOx emissions too high.
Cumulative NOx emissions from
the engine have violated limit
value 2.
u
Contact Service.
1173 – AL Inplausible NOx Low Limit2
Cause
Corrective action
NOx emissions too low.
Cumulative NOx emissions from
the engine have violated limit
value 2.
u
Contact Service.
1178 – AL J1939 Heartbeat1 Lost
Cause
Corrective action
No message on plant bus
u
Contact Service.
1179 – AL J1939 Heartbeat2 Lost
Cause
Corrective action
No message on plant bus
u
Contact Service.
1180 – AL NOx 2 Sensor invalid
Cause
Corrective action
Status information of the NOx
sensor (B88.2), generated in case
of temporarily implausible
measured values or NOx sensor
defect.
1. Acknowledge alarm.
2. Replace NOx sensor (→ Page 138).
3. Contact Service.
1183 – AL Inadmissible Measuring Point Config
Cause
Corrective action
Selected measuring point not
activated or incorrectly
configured.
u
Contact Service.
94 | Troubleshooting | MS150100/04E 2015-09
TIM-ID: 0000064702 - 001
