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.
Engine brake lever is not
pressed.
Press the engine brake lever towards
the handlebar.
Tank ventilation screw is
closed.
Open tank ventilation screw.
Engine was flooded due to too
many start attempts.
Unscrew spark plugs and, while the
fuel valve is closed, the choke is open
and at full throttle, start several times,
dry the spark plugs and screw them
back in.
Spark plug connector is pulled
off.
Observe the safety instructions! Put
spark plug connector back on.
Maintain air filter (see also Mainte-
nance and cleaning).
Spark plugs are sooted, dam-
aged, or incorrect electrode
gap.
Clean spark plugs and check electrode
gap (see also Maintenance and clean-
ing). Replace spark plugs if necessary.
Housing of the mower is
jammed.
See also Maintenance and cleaning.
Poor quality, dirty, or old fuel.
Clean fuel system (authorised service
centre).
Always use fresh fuel.
Authorised service centre.
Engine starts badly
or runs irregularly
Maintain air filter (see also Mainte-
nance and cleaning).
Poor quality, dirty, or old fuel.