9. Troubleshooting guide
Problem
Unit won't start or
starts but will not
run.
Unit starts, but engi-
ne has low power.
Engine hesitates.
No power under
load.
Runs erratically.
Smokes excessi-
vely.
Poor performance
when operated
Engine dies
Insuffi cient chain
lubrication
(the cutter rail and
chain get hot)
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Subject to technical changes
Probable cause
- Incorrect starting procedures.
- Too much fuel in the combustion
chamber following failed attempts
to start the saw.
- Incorrect carburetor mixture adjust-
ment setting.
- Fouled spark plug.
- Fuel fi lter plugged.
- Incorrect lever position on choke.
- Dirty air fi lter.
- Incorrect carburetor mixture adjust-
ment setting.
- Incorrect carburetor mixture adjust-
ment setting.
- Incorrectly gapped spark plug.
- Incorrect carburetor mixture adjust-
ment setting.
- Incorrect fuel mixture.
- Blunt chain
- Loose chain
- Empty petrol tank
- Fuel fi lter in the wrong position in
the tank
- Empty oil tank for the chain
- Oil lubrication openings moved
www.sidirika.nikolaidi.gr
GB
- Follow instructions in the User Ma-
nual.
- Wait about 30 minutes until the fuel
in the combustion chamber has
evaporated before trying again to
start the chainsaw.
- Have carburetor adjusted by an Au-
thorized Service Center.
- Clean / gap or replace plug.
- Replace fuel fi lter.
- Move the lever to the correct positi-
on.
- Remove, clean and reinstall fi lter.
- Have carburetor adjusted by an Au-
thorized Service Center.
- Have carburetor adjusted by an Au-
thorized Service Center.
- Clean / gap or replace plug.
- Have carburetor adjusted by an Au-
thorized Service Center.
- Use properly mixed fuel (40:1 mix-
ture).
- Sharpen or replace the chain
- Tension the chain
- Fill up the petrol tank
- Completely fi ll the petrol tank or or
re-position the fuel fi lter in the petrol
tank
- Top up the oil tank for the chain
- Clean the oil entry hole/groove on
the guide rail.
- 30 -
Corrective Action