29GB
12. 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 service
workshop.
Fault Possible cause Remedy
Machine does not start. Air lter is contaminated.
Fuel lter 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
Blowing/suction pipe is not completely tted
Clean/replace the air lter.
Clean or renew the fuel lter.
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; re-
x the spark plug.
Check the correct position of the spark plug
cap.
Clean the spark plug or replace it, if
applicable.
Check the ignition cable for damage.
Contact the service centre.
Contact the service centre.
Install a two-part blowing/suction pipe
Machine starts but stops
again.
Wrong carburetor setting (idle speed). Contact the service centre.
Machine works with
interruptions (sputtering).
Carburetor set up incorrectly.
Spark plug is sooty.
On/o 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.
Air lter is contaminated.
Carburetor set up incorrectly.
Collection bag is full
Collection bag is dirty
Selector switch in incorrect position
Device clogged up or blocked by foreign
bodies
Clean the air lter or replace it.
Contact the service centre.
Check the exhaust.
Empty collection bag
Clean collection bag
Set selector switch to the suction symbol
Remove plug or blockages (see chapter
Cleaning and Maintenance)
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