Troubleshooting - Ayce SF7J139D-2 Original Instruction Manual

Fig.26 Log supported both ends
Fig.27 Bucking a log

Troubleshooting

The following table lists problem symptoms, possible causes and corrective action. If
your machine does not operate properly. If these do not identify and correct the problem,
contact after sales service.
Warning! Switch off and remove plug from the mains before repair.
Problem Possible cause
Kickback brake is activated
Plug not connected
Chain saw fails to operate
Faulty mains socket
Extension cable damaged
No oil in oil tank
Saw chain dry Vent in oil tank cap clogged Clean oil filler cap
Oil passage clogged
Brake doesn't stop saw
Kickback brake is defective Contact after sales service
chain
No oil in oil tank
Vent in oil tank cap clogged Clean oil tank cap
Oil passage clogged
Saw chain/guide bar hot
Chain tension is too high
Dull saw chain
Chain tension is too loose
Dull saw chain
Chain saw rips, vibrates,
does not saw properly
Chain worn out
Chain teeth are facing in the
wrong direction
I GB
151 152
Corrective action
Pull front hand guard back
in position. (Fig.18)
Connect plug to the mains
Connect another socket
Check cord, replace when
necessary
Refill oil
Clean oil passage
Refill oil
Clean oil passage
Tension saw chain
Sharpen saw chain or
replace
Tension saw chain
Sharpen saw chain or
replace
Replace saw chain
Re-assemble the chain in
correct direction