English
13 Troubleshooting
Problem
Power tool not running.
Cut unclean, chain moving away
to the side.
Too much force necessary to
make progress when cutting.
No chain lubrication.
34
Possible causes
No power supply.
Worn carbon brushes.
Switch jammed.
After overload.
Chain rate of advance too fast.
Tool blunt.
Chain sharpened incorrectly.
Carriage contact surface con
taminated.
Tool blunt.
Rate of advance when cutting
too fast.
Blocked lubrication channels
on the guide strip.
Defective oil feed pump.
Oil reservoir empty.
Inner oil channels of the pow
er tool blocked or biological oil
resinified.
Remedy
Check the fuses and power ca
ble.
Replace the carbon brushes.
Press down on the safety lock.
Check fuses.
Reduce the rate of advance.
Sharpen the chain or replace it
with a new one.
Replace the chain.
Clean the carriage.
Sharpen the chain or replace it
with a new one.
Set a slower rate of advance.
Clean the guide strip.
Replace the pump (in an au
thorised service workshop).
Top up saw chain oil.
Clean the power tool (in an au
thorised service workshop).