Troubleshooting
Checking
the electrical safety
50
Version: April 2016
8
Troubleshooting
This section describes problems during operation that au-
thorized personnel can remove.
Each occurring problem is described with its possible cause
and the respective corrective measure.
Malfunction
Possible cause
Correction
No or insufficient voltage availa-
ble during idling.
The rotational speed of the en-
gine was adjusted afterwards.
Call service staff.
Strong voltage fluctuations oc-
cur.
The engine runs irregularly.
Call service staff.
The speed control works errati-
cally or insufficiently.
Call service staff.
The engine does not start.
(also see the motor manual Figure
1-1(2))
The engine is being operated
incorrectly.
Follow the engine operating
manual instructions.
Maintenance of the engine was
inadequate.
Follow the engine maintenance
instructions.
The oil level monitor actuates.
Check oil level and refill if neces-
sary.
Too little fuel in the tank.
Refuel
The fuel filter is clogged.
Replace the fuel filter.
Bad fuel in the tank.
Call service staff.
The engine does not rotate.
Engine defective.
Call service staff.
The engine smokes.
(also see the motor manual Figure
1-1(2))
Too much oil in the engine.
Drain excess oil.
Air filter cartridge is soiled by dirt
or oil.
Clean cartridge, or replace if
necessary.
The engine turns briefly and then
shuts down.
(also see the motor manual Figure
1-1(2))
Too little fuel in the tank.
Refuel
Ventilation holes on tank cover
are clogged.
Clean ventilation holes.
The oil level is too low.
Add oil.
The fuel filter is clogged.
Replace the fuel filter.
Maintenance of the engine was
inadequate.
Follow the engine maintenance
instructions.
Too much power is drawn.
Reduce power draw.
The generator runs jerkily.
The generator is loaded beyond
the nominal output.
Reduce power draw.
Table 8.1: Problems arising during generator operation