MTU 16V4000L32FNER Operating Instructions Manual page 148

581 – AL Wiring PWM_CM3
Red alarm.
Associated parameter 1.1041.923
Cause
Wire break or short circuit on
channel PWM_CM3.
583 – AL GLS closed
Red alarm. Engine shutdown.
Associated parameter 2.0451.115
Cause
Generator load switch does not
open when engine stops. Engine
is motoring.
587 – AL Wiring PWM_CM4
Red alarm.
Associated parameter 1.1041.924
Cause
Wire break or short circuit on
channel PWM_CM4.
596 – AL Develop PR Set
Red alarm.
Associated parameter 1.8004.645
Cause
The ECU parameter record in use
is a test version.
597 – AL Wiring PWM_CM5
Red alarm.
Associated parameter 1.1041.925
Cause
Wire break or short circuit on
channel PWM_CM5.
603 – SD Air Humidity
Yellow alarm.
Associated parameter 1.0165.900
Cause
Air humidity sensor faulty. Short
circuit or wire break.
148 | Troubleshooting | MS150121/02E 2017-09
Corrective action
u Check setting at engine governor.
Corrective action
1. Check generator load switch.
2. Manually disconnect generator switch.
3. Open any existing mains circuit breaker.
4. Where possible, do not operate manual emergency stop.
Corrective action
u Check setting at engine governor.
Corrective action
u Load series parameter record on ECU.
Corrective action
u Check setting at engine governor.
Corrective action
u Check cabling and sensor (→ Page 202).