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119 – LOLO ECU Power Supply Voltage
Red alarm.
Associated parameter 2.0140.922
Cause
Corrective action
Supply voltage too low (limit
value 2).
1. Check supply voltage.
2. Check cabling.
120 – HI ECU Power Supply Voltage
Yellow alarm.
Associated parameter 2.0140.931
Cause
Corrective action
Supply voltage too high (limit
value 1).
1. Check supply voltage.
2. Check cabling.
121 – HIHI ECU Power Supply Voltage
Red alarm.
Associated parameter 2.0140.932
Cause
Corrective action
Supply voltage too high (limit
value 2).
1. Check supply voltage.
2. Check cabling.
122 – HI T-ECU
Yellow alarm.
Associated parameter 2.0132.921
Cause
Corrective action
Electronics temperature too high
(limit value 1).
u
Ensure better cooling of the ECU. Reduce room temperature,
check air flow to ADEC.
180 – AL CAN1 Node Lost
Yellow alarm.
Associated parameter 2.0500.680
Cause
Corrective action
Bus node (SAM or EMU) lost on
CAN bus 1.
u
Check operation of nodes and cabling. Busses (CAN bus 1 and
CAN bus 2) are redundant.
181 – AL CAN2 Node Lost
Yellow alarm.
Associated parameter 2.0500.681
Cause
Corrective action
Bus node (SAM or EMU) lost on
CAN bus 2.
u
Check operation of nodes and cabling. Busses (CAN bus 1 and
CAN bus 2) are redundant.
MS15027/00E 2013-10
| Troubleshooting | 117
TIM-ID: 0000044567 - 001