17
TROUBLE CAUSE REMEDY
Chain does
not move
when trigger
switch is
engaged.
1. Chain tensionincorrect.
2. Guide bar railspinched.
3. Triggerswitch failure.
4. Circuitbreaker tripped/
fuse failure.
1. See “Check Chain Tension”in
Maintenances ection.
2. Repairor replace.
3. Contactan authorizedservice
dealer.
4. Reset circuitbreaker or replace
fuse.
Chain clat-
ters or cuts
roughly.
1. Chain tension incorrect.
2. Cuttersdamaged.
3. Chain worn.
4. Cuttersdull, improperly
sharpened,o r depth
gauges too high.
5. Sprocket worn.
1. See “Check ChainTension” in
MaintenanceSec tion.
2. Contact an authorized service
dealer.
3. Resharpen or replace chain.
4. See “ChainSharpening” in
Servicea nd Adjustmentssection.
5. Contact an authorized service
dealer.
1. Chain cuttertops not
filed flat.
2.Guide bar burred or
bent;rails uneven.
Chain stops
duringcut. 1. See “ChainSharpening” in
Servicea nd Adjustmentssection.
2. Repair or replace guide bar.
Oilinade-
quate forbar
and chain
lubrication.
1. Oiltank empty.
2. Oilou tletclogged.
3. Guide bar oil hole
blocked.
1. Filloil tank.
2. Contactan authorizedservice
dealer.
3. Remove barand clean.
Chain cuts
at an angle.
WARNING : Always stop unit and disconnect from the power source be-
foreperforming all of the recommended remedies below except remedies
thatrequire unit to be operating.
1. Cuttersdamaged on
one side.
2. Chaindull on one side.
3. Guide bar bent or worn.
1. See “Chain Sharpening”in
Service and Adjustmentssection.
2. See “Chain Sharpening”in
Service and Adjustmentssection.
3. Replace guide bar.
TROUBLESHOOTING TABLE