118 – LO ECU Supply Voltage
Yellow alarm.
Associated parameter 2.0140.921
Cause
Corrective action
Supply voltage too low (limit value
1).
1. Check supply voltage.
2. Check cabling (→ Page 202).
119 – LOLO ECU 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 (→ Page 202).
120 – HI ECU 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 (→ Page 202).
121 – HIHI ECU 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 (→ Page 202).
122 – HI T-ECU
Yellow alarm.
Associated parameter 2.0132.921
Cause
Corrective action
Temperature of electronics too
high (limit value 1).
1. Provide improved cooling for ECU. Reduce room temperature,
check air flow to ECU.
2. Compare device temperature with temperature gauge in DiaSys®.
180 – AL CAN1 Node Lost
Red alarm. Engine shutdown.
Associated parameter 2.0500.680
Cause
Corrective action
Bus node (EMU) lost on CAN bus
1.
u
Check operation of bus users and cabling. Buses (CAN bus 1 and
CAN bus 2) are redundant.
130 | Troubleshooting | MS150104/03E 2017-09
TIM-ID: 0000038612 - 003
