Grid Heater - Mercedes-Benz OM 904 LA Operating Instructions Manual

Operation
Monitoring engine operation
i
The flame-start system is automatically
deactivated if:
the engine is not started within
30 seconds of the flame-start sys-
tem indicator lamp going out
the engine is started when the
flame-start indicator lamp is lit
4
the charge current indicator lamp
does not go out while the engine is
running
the engine reaches a temperature
at which the flame-start system is
no longer required
50
Flame-start system*/grid heater*
(example)

Grid heater*

!
The grid heater is malfunctioning if the
grid heater indicator lamp flashes.