Cordless Chain Saw EN
21
TROUBLESHOOTING
Symptom Possible Causes Possible Solution
Chain saw fails to
operate
Out of battery
Fuse faulty
Charge the battery pack
Replace fuse
Chain saw operates
intermittently
Loose connection
Internal wiring defective
On/Off switch defective
Contact service agent
Contact service agent
Contact service agent
Dry chain
No oil in reservoir
Vent in oil filler cap clogged
Oil passage clogged
Refill oil
Clean cap
Clean oil passage outlet
Chain/chain bar
overheats
No oil in reservoir
Vent in oil filler cap clogged
Oil passage clogged
Chain is over tensioned
Dull chain
Refill oil
Clean cap
Clean oil passage outlet
Adjust locking knob
Sharpen chain or replace
Chain saw rips, vibrates,
does not saw properly
Chain tension too loose
Dull chain
Chain worn out
Chain teeth are facing in the
wrong direction
Adjust locking knob
Sharpen chain or replace
Replace chain
Reassemble with chain in correct
direction
Never use tools with defective On/Off switches.
In the case of all other types of technical faults, please contact helpline or local service center.
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