MTU 20 V 4000 G23 Operating Instructions Manual page 102

551 – SS Engine Overspeed Camshaft
Limit value 2
Cause
Camshaft overspeed.
555 – AL Call MTU Field Service
Cause
This alarm is activated if the
ECU feature Field Data Handling
(FDH) has carried out a
maintenance job which led to a
change of the engine
parameters.
This alarm will sty active even
after switching the system off
and on again until a valid
activation code has been
entered via the display and key
control of the SAM. This
activation code can be requested
via internet according to a
special procedure.
576 – AL ESCM Override
Cause
Corrected MCR or DBR/MCR
curve was exceeded. Engine
overload!
577 – SD T-Lube Oil Pan
Cause
Temperature sensor in oil pan
faulty; short circuit or wire break.
578 – AL L1 T-Lube Oil Pan
Limit value 1
Cause
L1 T-Lube Oil Pan has violated
limit value 1.
102 | Troubleshooting | MS150093/01E 2012-06
ZKP-Number: 22.510.933
Corrective action
1. Acknowledge alarm.
2. Attempt to restart engine.
ZKP-Number: 20.555.001
Corrective action
u Request activation code via internet.
ZKP-Number: 11.075.083
Corrective action
u Reduce power.
ZKP-Number: 10.137.900
Corrective action
u Check sensor and cabling, replace as necessary.
ZKP-Number: 20.137.921
Corrective action
u