22
GB/IE/NI
17. Troubleshooting
Fault
Possible cause
Remedy
The device does not start
up.
• Air filter dirty.
• Fuel filter blocked
• Missing fuel supply
• Fault in the fuel line
• Starter unit is defective
• Engine flooded
• Spark plug connector not plugged in
• No ignition spark
• Engine defective
• Carburettor defective
• Clean/replace the air filter
• Clean or replace the fuel filter
• Refuelling.
• Check the fuel line for kinks or damage
• Contact the service point.
• Remove spark plug, clean and dry; then pull the starter cable
several times; re-install the spark plug
• Check the spark plug connector is seated properly
• Clean or replace the spark plug
• Check ignition cable for damage
• Contact the service point
• Contact the service point
The device runs and dies
• Incorrect carburettor setting (idle speed)
• Contact the service point
Engine runs, but cutting
tool remains stationary
• Cutting unit jammed
• Internal fault (drive shaft, transmission)
• Clutch defective
• Switch off the engine and remove the object
• Contact the service point
• Contact the service point
Device works with inter-
ruptions (stutters).
• Carburettor is incorrectly adjusted
• Spark plug is sooty
• On/off switch defective
• Contact the service point
• Clean or replace the spark plug
• Contact the service point
Smoke is produced
• Incorrect fuel mixture
• Carburettor is incorrectly adjusted
• Use two-stroke mixture with the mixing ratio of 40:1
• Contact the service point
Device does not work at
full power
• Machine is overloaded
• Air filter is contaminated
• Carburettor is incorrectly adjusted
• Silencer blocked
• Do not push hard while mowing/trimming
• Clean or replace the air filter
• Contact the service point
• Check exhaust pipe
The brush cutter does not
work at full power
• Cutting unit blunt or damaged
• Material to be cut too high (product overload-
ing)
• Sharpen or replace cutting unit
• Cut grass in stages
The grass trimmer trimmer
does not work at full
power
• Trimming thread too short or damaged
• Device is overloaded as grass is too high
• Feed in or replace trimming thread
• Cut grass in stages
Trimming line is not routed
through
• Thread coil empty
• Replace thread coil
The pole-mounted pruner
does not saw, plucks or
vibrates
• Chain tension too high
• Chain blunt
• Chain mounted incorrectly
• Chain worn
• Check and adjust chain tension
• Have chain sharpened or replaced
• Re-mount chain
• Replace chain
Saw chain is hot or saw
chain lubrication not
functioning
• No oil in the tank
• Oil line blocked
• Chain tension too high
• Chain blunt
• Top up oil
• Clean oil line
• Adjust chain tension
• Have chain sharpened or replaced
Summary of Contents for PBK 4 B3
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