MTU 12 V 4000 M23F Operating Instructions Manual page 156

551 – SS Engine Overspeed Camshaft
Limit value 2
Cause
Camshaft overspeed.
555 – AL Call MTU Field Service
Cause
This fault becomes active if a
maintenance case has been
processed by the ECU Field Data
Handling (FDH) feature that
results in a change of engine
parameters.
This fault remains active even
after switching off and back on
until a valid enabling code is
entered via the SAM display and
key controls. This enabling code
can be requested via the
Internet using a special
procedure.
576 – AL ESCM Override
Engine overload
Yellow alarm; warning
Cause
Violation of corrected MCR or
DBR/MCR curve.
577 – SD T-Lube Oil Pan
Signal error, oil pan temperature sensor
Yellow alarm; warning
Cause
Oil pan temperature sensor
faulty.
Short circuit or wire break.
156 | Troubleshooting | MS150068/01E 2014-01
ZKP-Number: 22.510.933
Corrective action
1. Acknowledge alarm.
2. Attempt engine restart.
ZKP-Number: 20.555.001
Corrective action
u Request activation code via Internet.
ZKP-Number: 1.1075.083
Corrective action
u Reduce power.
ZKP-Number: 1.0137.900
Corrective action
u Check sensor and cabling, replace as necessary (→ Page 265).