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536 – AL Wiring PWM_CM1
Cause
Corrective action
HP fuel control block M8 of the
HP fuel pump cannot be activated.
1. Check engine wiring (→ Page 268).
2. Contact Service.
549 – AL Power Cut-Off detected
Cause
Corrective action
The ECU operating voltage was
switched off while the engine was
running. Do not disconnect the
power supply until the engine is at
standstill.
1. Check engine wiring if the power supply was not disconnected
manually (→ Page 268).
2. Contact Service.
551 – SS Engine Overspeed Camshaft
Cause
Corrective action
The engine speed measured at
camshaft sensor B1 exceeded
limit value 2 or the engine
overspeed test was tripped.
Emergency engine stop was
tripped.
u
Contact Service.
582 – AL Emergency Stop Failed
Cause
Corrective action
This alarm is raised if the engine
fails to come to a standstill within
a defined time following an
emergency stop signal.
u
Contact Service.
586 – LO P-Oil Refill Pump
Cause
Corrective action
The refill pump lube oil pressure
measured at sensor B54 has
fallen below the limit value. The oil
pressure at the refill pump is too
low.
1. Top up engine oil (→ Page 204).
2. Contact Service.
588 – SD P-Oil Refill Pump
Cause
Corrective action
The signal from the refill pump
lube oil pressure sensor (B54) is
faulty or missing.
1. Check engine wiring (→ Page 268).
2. Contact Service.
MS150123/01E 2017-05
| Troubleshooting | 115
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