48
11. Fault and rectification
Fault Possible Cause  Troubleshooting
The engine does not start - Air lter dirty
- Fuel lter clogged
- Lack of fuel supply
- Fault in the fuel line
- Starting device is defective
- Flooded engine
- Spark plug connector not plugged 
in
- No ignition spark.
- Engine defective
- Carburetor defective
- Clean / replace air lter
- Clean or replace the fuel lter 
- Carry out the refuelling.
- Check fuel line for creases or 
damage
- Contact the service point.
- Remove, clean and dry the spark 
plug; then pull the starter rope 
several times; reinstall the spark 
plug
- Check the spark plug connector for 
correct t
- Clean or replace the spark plug
- Check the ignition cable for 
damage
- Contact the service point
- Contact the service point
Engine starts and stops 
working
- Wrong carburetor setting (idling 
speed)
- Contact the service point
Engine starts, but cutting 
tool stops
- Cutting tool is blocked
- Internal error (drive shaft, gearbox)
-Defective coupling
- Switch o the engine and remove 
the object
- Contact the service point
- Contact the service point
Device works 
intermittently (splutters)
- Carburetor is set incorrectly
- Spark plug is sooty
- On / O switch defective
- Contact the service centre 
- Clean or replace the spark plug 
- Contact the service centre
Smoke development - Wrong fuel
- Carburetor is set incorrectly
- Use regular or premium petrol with 
93 octane or higher
- Contact the service centre
Device does not work at 
full power
- Machine is overloaded
- Air lter is dirty
- Carburetor is set incorrectly
- Silencer clogged
- Do not press with force while 
mowing / trimming.
- Clean or replace the air lter
- Contact the service centre
- Check the exhaust
The brush cutter does 
not work at full power
- Blade dull or damaged
- Material to be cut is too high 
(device overload)
- Sharpen or replace cutting blade
- Cut grass gradually
The grass trimmer does 
not work at full power
- Cutting line too short or damaged
- Device is overloaded because 
grass is too high
- Follow or replace the cutting line
- Cut grass gradually