Scheppach 5904809904, Instruction Manual

Page: 46 / 72

46 GB
13. Troubleshooting
The table below contains a list of fault symptoms and explains what you can do to remedy the problem if your equip-
ment fails to work properly. If the problem still persists after working through the list, please contact your nearest ser-
vice workshop.
Fault Possible cause Remedy
Machine does not
start.
• Air filter is contaminated.
• Fuel filter is blocked.
• Lack of fuel supply.
• Fault in the fuel line.
• Starting device is faulty.
• Engine stalled.
• Spark plug cap not attached.
• No spark.
• Engine faulty.
• Carburetor faulty
• Clean/replace the air filter.
• Clean or renew the fuel filter.
• Re-fuel.
• Check the fuel line for kinks or damage.
• Contact the service centre.
• Remove the spark plug, clean and dry it; then
pull the starter rope several times; re­fix the
spark plug.
• Check the correct position of the spark plug
cap.
• Clean the spark plug or replace it, if applica-
ble.
• Check the ignition cable for damage.
• Contact the service centre.
• Contact the service centre.
Machine starts but
stops again.
• Wrong carburetor setting (idle speed). • Contact the service centre.
Engine starts but the
cutting tool stops.
• Cutting tool blocked.
• Internal fault (drive shaft, gearbox).
• Clutch faulty.
• Turn off engine and remove object.
• Contact the service centre.
• Contact the service centre.
Machine works with
interruptions (sputter-
ing).
• Carburetor set up incorrectly.
• Spark plug is sooty.
• On/off switch faulty.
• Contact the service centre.
• Clean the spark plug or replace it.
• Contact the service centre.
Smoke is generated.
• Wrong fuel mix.
• Carburetor set up incorrectly.
• Use two-stroke mixture at a ratio of 40:1.
• Contact the service centre.
Machine does not
work at full power.
• Machine is overloaded.
• Air filter is contaminated.
• Carburetor set up incorrectly.
• Silencer is blocked.
• Do not use force during mowing/trimming.
• Clean the air filter or replace it.
• Contact the service centre.
• Check the exhaust.
Brush cutter does not
work at full power.
• Blades are blunt or damaged.
• Cut material is too high (machine over-
load).
• Sharpen or replace blades.
• Cut the grass in phases.
Grass trimmer does
not work at full power.
• Cutting line too short or damaged.
• Machine is overloaded because the
grass is too high.
• Feed more cutting line through or replace it.
• Cut the grass in phases.
Cutting line cannot be
fed through.
• Spool empty. • Replace spool.
Pole saw does not
saw, it plucks or
vibrates.
• Chain tension too high.
• Chain blunt.
• Chain attached incorrectly.
• Chain worn.
• Check and reset chain tension.
• Have the chain sharpened or replace it.
• Re-attach the chain.
• Replace the chain.
Saw chain becomes
hot or saw chain lubri-
cation does not work.
• No oil in the tank.
• Oil line blocked.
• Chain tension too high.
• Chain blunt.
• Refill oil.
• Clean the oil line.
• Set the chain tension.
• Have the chain sharpened or replace it.