658 – AL NOxA Comm Lost
Red alarm
Associated parameter 1.4560.096
Cause
Corrective action
CAN bus communication for
NOx sensor A faulty
1. Check cabling.
2. Check power supply.
3. Carry out restart of ECU and EMU.
4. Replace sensor.
659 – AL NOxB Comm Lost
Red alarm
Associated parameter 1.4560.196
Cause
Corrective action
CAN bus communication for
NOx sensor B faulty
1. Check cabling.
2. Check power supply.
3. Carry out restart of ECU and EMU.
4. Replace sensor.
660 – AL PhytronA Comm Lost
Red alarm
Associated parameter 1.4570.096
Cause
Corrective action
CAN bus communication for
step motor for gas mixer A faulty
(alternatively, a gas control valve
can be installed)
1. Check cabling.
2. Check power supply.
3. Carry out restart of ECU, EMU & throttle B.
4. Check settings with device-specific dialog software (XD11.1).
661 – AL PhytronB Comm Lost
Red alarm
Associated parameter 1.4570.196
Cause
Corrective action
CAN bus communication for
step motor for gas mixer A faulty
(alternatively, a gas control valve
can be installed)
1. Check cabling.
2. Check power supply.
3. Carry out restart of ECU, EMU & throttle B.
4. Check settings with device-specific dialog software (XD11.2)
664 – AL Oil Refill Error
Red alarm
Associated parameter 1.1480.305
Cause
Corrective action
Combined alarm for automatic
oil replenishment faulty
u
After initiation of the alarms “HI Oil Refill” and
“HI Lube Oil Level refill” a configurable timeout period starts.
The engine is stopped when this time expires.
MS150097/01E 2013-10
| Troubleshooting | 119
TIM-ID: 0000027858 - 001