449 – SS P-Charge Air
Cause
Corrective action
The charge-air pressure at sensor
B10 has violated limit value 2. The
charge-air pressure is too high.
1. Power reduction.
2. Check sensor B10 and replace as necessary.
3. Contact Service.
454 – SS Power Reduction Active
Cause
Corrective action
Power reduction activated. A main
alarm activating power reduction
has been tripped.
1. Check for additional messages.
2. Contact Service.
510 – AL Override applied
Cause
Corrective action
The Override function was
activated. Override suppresses
other alarms.
u
No action required.
536 – AL Wiring PWM_CM1
Cause
Corrective action
The M8 HP fuel control block of
the HP fuel pump can not be
activated.
1. Check engine cabling (→ Page 196).
2. Contact Service.
608 – AL Wiring PWM_CM6
Cause
Corrective action
Open circuit or short circuit in
wiring to fan oil priming pump M2.
1. Check engine cabling (→ Page 196).
2. Contact Service.
614 – AL L1 P-Fuel Add.sec.fuelfilt. Diff
Cause
Corrective action
The differential pressure above
the intermediate fuel filter at
sensors B34.2 and B34.3 has
violated limit value 1. The
differential pressure is too high.
1. Replace additional fuel filter (→ Page 126).
2. Replace fuel filter (→ Page 125).
3. Replace fuel prefilter (→ Page 135).
4. Contact Service.
625 – SD P-Fuel bef. Add.sec.fuelfilter
Cause
Corrective action
The signal from the fuel pressure
sensor (B34.3) before the
additional filter is faulty or
missing.
1. Check engine cabling (→ Page 196).
2. Contact Service.
76 | Troubleshooting | MS15058/04E 2018-12
TIM-ID: 0000068683 - 006
Summary of Contents for 20V4000G44F
Page 4: ......
