Troubleshooting - Scheppach 39088029953 Originalbetriebsanleitung

16. Troubleshooting

The following table shows fault symptoms and describes remedial measures in the event of your machine failing to work
properly. If you cannot localise and rectify the problem with this, please contact your service workshop.
Fault
Engine does not start.
Engine runs erratically.
Motor is overheated.
One of the two chains is
blocked.
The machine does not
move when the engine is
running.
Possible cause
Spark plug cable unplugged.
No fuel or old fuel.
Choke not in open position.
Fuel line clogged.
Contaminated spark plug.
Engine flooded.
Spark plug cable loose.
Engine runs with CHOKE.
Fuel line clogged or old fuel.
Ventilation blocked.
Water or contamination in the
fuel system.
Contaminated air filter.
Incorrect carburettor setting.
Engine oil level low.
Contaminated air filter.
Airflow restricted.
Carburettor not adjusted
correctly.
Foreign objects have got
jammed between the chain and
the frame.
The gear was not chosen
correctly.
The drive chains are not
tensioned sufficiently.
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Remedy
Re-connect the spark plug cable to the spark plug.
Fill with clean, fresh petrol.
The throttle must be positioned in the choke position
during cold starting.
Clean the fuel line.
Clean, set gap or replace.
Wait a few minutes before restarting, but do not allow
the engine to prime.
Connect and fasten the spark plug cable.
Set the choker-arm to OFF.
Clean the fuel line. Fill the tank with clean, fresh
petrol.
Clean the de-aerator.
Empty the tank. Fill the tank with fresh fuel.
Clean or replace the air filter.
Contact the service department.
Fill crankcase with correct oil.
Clean the air filter.
Remove and clean the housing.
Contact the service department.
Remove the foreign objects.
Make sure that the gear lever is not between two
gears.
Tension the chains.
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