MTU 12V2000Gx6 series Operating Instructions Manual page 86

120 – HI ECU Power Supply Voltage
Yellow alarm; warning
Cause
Supply voltage too high (Level 1).
121 – HIHI ECU Power Supply Voltage
Yellow alarm; warning
Cause
Supply voltage too high (Level 2).
122 – HI T-ECU
Yellow alarm; warning
Cause
Temperature in ECS too high.
141 – AL Power too high
Yellow alarm; warning
Cause
The average power rate over the
last 24 hours of engine operation
has exceeded the set maximum
value.
180 – AL CAN1 Node Lost
Yellow alarm; warning
Cause
Connection to a node on CAN bus
1 failed.
181 – AL CAN2 Node Lost
Yellow alarm; warning
Cause
Connection to a node on CAN bus
2 failed.
182 – AL CAN Wrong Parameters
Yellow alarm; warning
Cause
Incorrect parameter values
entered in data record.
86 | Troubleshooting | MS15054/03E 2018-07
Corrective action
u Check batteries, charge as necessary; check alternator.
Corrective action
u Check batteries, charge as necessary; check alternator.
Corrective action
u Check engine room ventilation.
Corrective action
u Reduce power.
Corrective action
1. Check devices connected to CAN.
2. Check wiring (termination resistor installed?).
Corrective action
1. Check devices connected to CAN.
2. Check wiring (termination resistor installed?).
Corrective action
u Contact Service.