24
Customer Helpline
01904 727503
www.gardenservicecentre.co.uk
Troubleshooting
General Troubleshooting
CAUTION!
- Always switch off the engine and pull the ignition cable before starting any inspection or
adjustment work.
- If, after making an adjustment or repair to the engine, you let it run for a few minutes,
remember that the exhaust and other parts will get hot. Thus, do not touch parts that emanate
heat, as these may burn you.
Fault
Possible Cause
Solution
Unit won’t start or
starts but will not run
1. Incorrect starting procedures
2. Incorrect carburetor mixture
adjustment setting
3. Fouled spark plug
4. Fuel filter blocked
5. Chain brake is on
1. Follow instructions in the User Guide
or refer to the starting procedure check
list on page 14
2. Have carburetor adjusted by an
Authorised Service Centre
3. Clean/gap or replace plug
4. Replace fuel filter
5. Put Chain brake in off position
Unit starts, but engine
has low power
1. Incorrect lever position on choke
2. Dirty air filter
3. Incorrect carburetor mixture
adjustment setting
1. Move to RUN position
2. Remove, clean and reinstall filter
3. Have carburetor adjusted by an
Authorised Service Centre
Engine hesitates
1. Incorrect carburetor mixture
adjustment setting
1. Have carburetor adjusted by an
Authorised Service Centre
No power under load 1. Incorrectly gapped spark plug
1. Clean/gap or replace plug
Runs erratically
1. Incorrect carburetor mixture
adjustment setting
1. Have carburetor adjusted by an
Authorised Service Centre
Smokes excessively 1. Incorrect fuel mixture
1. Use properly mixed fuel (40:1 mix)
Poor performance
when operated
1. Blunt chain
2. Loose chain
1. Sharpen or replace the chain
2. Tension the chain
Engine dies
1. Empty petrol tank
2. Fuel filter in the wrong position
in the tank
1. Fill up the petrol tank
2. Completely fill the petrol tank or re-
position the fuel filter in the petrol tank
Insufficient chain
lubrication (the cutter
rail and chain get hot)
1. Empty oil tank for the chain
2. Oil lubrication opening blocked
1. Top up the oil tank for the chain
2. Clean the oil lubrication hole in the
cutter bar (FIG5/Item A)
Clean the groove in the cutter bar
The following table provides solutions to common problems encountered with the chainsaw.
