7.21.4 Engine governor – Carry out self-test
DANGER
Electrical voltage.
Risk of serious injury - danger to life!
• Make certain that the power supply to the engine is switched off before starting to work. Ensure
that the power supply cannot be switched on unintentionally!
Carrying out self-test
1.
Switch off power supply to system.
2.
Remove connectors X1, X2 and X4 from
the engine governor.
a) Release lock (3) of connectors (2).
b) Unplug connector (2).
3.
Switch on power supply
Result:
• The engine governor is operable if the di‐
agnostic lamp (1) changes to continuous
illumination within 30 seconds after pow‐
er has been switched on.
• If the diagnostic lamp (1) flashes after 30
seconds, replace engine governor and
(→ contact Service).
• Check the power supply if the diagnostic
lamp remains dark.
4.
Switch off power supply.
5.
Refit connectors X1, X2 and X4 on engine
governor.
a) Plug in connector (2).
b) Lock connectors.
MS150062/01E 2012-01 | Task Description | 129
TIM-ID: 0000008482 - 002
