36
TROUBLESHOOTING
Fault
Possible cause
Remedy
The engine does not
start
Correct starting
procedure not followed
Follow the instructions for starting
the engine
Sooted or damp spark
plug
Clean the spark plug or replace it
with a new one
Incorrect carburettor
setting
Contact an authorized customer
service outlet.
The equipment
starts but does not
develop its full
power.
Incorrect choke lever
setting
Set the choke to “
“
Soiled oil filter
Clean the oil filter
Incorrect carburettor
setting.
Contact an authorized customer
service outlet.
The engine does not
run smoothly
Incorrect electrode gap
on the spark plug
Clean the spark plug and adjust the
electrode gap, or fit a new spark plug
Incorrect carburettor
setting
Contact an authorized customer
service outlet.
Engine smokes
excessively
Incorrect fuel mix
Use the correct fuel mix (see fuel
mixing table)
Incorrect carburettor
setting
Contact an authorized customer
service outlet.
Pruner chain dry
No oil in the tank
Fill up with oil
Oil tank cap breather
blocked
Clean the oil tank cap
Oil outlet blocked
Clean the oil outlet
Chain/guide bar hot
No oil in the tank
Fill up with oil
Oil tank cap breather
blocked
Clean the oil tank cap
Oil outlet blocked
Clean the oil outlet
Blunt chain
Re-sharpen or replace chain
Chain is over tensioned
Check the chain tension
Pruner juddering,
vibrating or not
sawing properly
Chain tension too loose
Adjust the chain tension
Blunt chain
Re-sharpen or replace chain
Worn chain
Replace the chain
Chain teeth pointing in
wrong direction
Reinstall the saw chain with the teeth
facing in the correct direction