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Troubleshooting
The following table contains the most frequent problems and their elimination. If more problems
occur, contact the closest authorised service centre.
You can find an authorised service centre on our home page www.as-motor.de.
Problem
Possible cause
Remedy
Engine does not start
Engine stop switch is set to
OFF.
Set engine stop switch to ON.
Fuel valve is closed.
Open fuel valve. For devices with two
fuel valves, open both.
Tank ventilation screw is
closed.
Open tank ventilation screw.
No fuel is in the tank.
Refill fuel.
Choke is open.
Close the choke.
4-stroke devices:
Device was tilted – oil leaked
into the air filter.
Replace air filter, unscrew spark plug
and start several times when the fuel
valve is closed, dry the spark plug and
screw it back in.
Spark plug connector is pulled
off.
Observe the safety instructions! Put
spark plug connector back on.
Wrong spark plug connector.
Vorgeschriebenen Zündkerzenstecker
verwenden (siehe Ersatzteilinformation
autorisierte [Fachwerkstatt: autorised
service centre]).
Engine was flooded due to too
many start attempts.
Unscrew spark plug and start several
times when the fuel valve is closed, dry
the spark plug and screw it back in.
Air filter is dirty.
Maintain air filter (see Maintenance).
Spark plug is dirty, damaged, or
incorrect electrode gap.
Clean spark plug and check electrode
gap (see Maintenance). Replace spark
plug if necessary.
Poor quality, dirty, or old fuel.
Clean fuel system (authorised service
centre).
Always use fresh fuel.
Devices with oil pressure
switch:
No oil pressure:
Too little engine oil
Check engine oil level, refill.
Devices with oil pressure
switch:
No oil pressure:
Slope too steep
Bring the device to a level position
