MTU 16V4000L32FNER Operating Instructions Manual page 120

1.4550.043 – A - CAN Fault (CAN Bus Off, CAN Ad)
Red alarm. Initiated by throttle of cylinder bank A.
Cause
CAN bus connection faulty.
1.4550.044 – A - CAN Stop Command
Yellow alarm. Initiated by throttle of cylinder bank A.
Cause
"Stop" input signal received via
CAN bus.
1.4550.131 – B - Internal Fault
Red alarm. Initiated by throttle of cylinder bank B.
Cause
Hardware not ready for operation.
1.4550.132 – B - Stop commanded (Run/Stop)
Yellow alarm. Initiated by throttle of cylinder bank B.
Cause
Throttle setting is not correct.
1.4550.133 – B - Input (Supply) Voltage Fault
Yellow alarm. Initiated by throttle of cylinder bank B.
Cause
Supply voltage has reached
maximum or minimum limit value.
1.4550.134 – B - Position Error
Red alarm. Initiated by throttle of cylinder bank B.
Cause
Position specification and
feedback signal do not match .
1.4550.135 – B - Temperature Sensor Fault
Red alarm. Initiated by throttle of cylinder bank B.
Cause
Internal temperature sensor
faulty.
120 | Troubleshooting | MS150121/02E 2017-09
Corrective action
1. Check cabling (→ Page 202).
2. Check throttle settings.
Corrective action
u Check throttle settings.
Corrective action
1. Restart throttle.
2. Replace throttle.
Corrective action
u Check throttle settings.
Corrective action
1. Check supply voltage.
2. Check cabling (→ Page 202).
Corrective action
1. Check mechanical system.
2. Restart throttle.
Corrective action
1. Restart throttle.
2. Replace throttle.