TROUBLESHOOTING
TABLE
WARNING:
Always stop unit and disconnect from the power source be-
fore performing all of the recommended
remedies below except remedies
that require unit to be operating.
TROUBLE
CAUSE
REMEDY
Chain does
1. Chain tension incorrect.
not move
when trigger
2. Guide bar rails pinched.
switch is
3. Trigger switch failure,
engaged.
4. Circuit breaker tripped/
fuse failure.
1. Chain tension incorrect.
Chain clat-
ters or cuts
roughly.
2. Cutters damaged.
3, Chain worn.
4. Cutters dull, improperly
sharpened, or depth
gauges too high.
5. Sprocket worn.
1. See "Check Chain Tension" in
Maintenance section.
2. Repair or replace.
3. Contact authorized service dealer.
4. Reset circuit breaker or replace
fuse.
1. See "Check Chain Tension" in
Maintenance Section.
2. Contact authorized service dealer.
3, Resharpen or replace chain.
4. See "Chain Sharpening" in
Service and Adjustments section.
5. Contact authorized service dealer.
Chain stops
1. Chain cutter tops not
1. See "Chain Sharpening" in
during cut.
filed flat.
Service and Adjustments
section.
2. Guide bar burred or
2. Repair or replace guide bar.
bent; rails uneven.
Oil inade-
1. Oil tank empty.
1. Fill oil tank.
quate for bar
2. Oil outlet clogged.
2. Contact authorized service dealen
and chain
3. Guide bar oil hole
3. Remove bar and clean.
lubrication,
blocked.
Chain cuts
1. Cutters damaged on
1. See "Chain Sharpening" in
at an angle,
one side,
Service and Adjustments section.
2. Chain dull on one side.
2. See "Chain Sharpening" in
Service and Adjustments section.
3. Guide bar bent or worn.
3. Replace guide bar.
If situations occur which are not covered in this manual, use care and good
judgement.
If you need assistance, contact an authorized
service dealer or call
1-800-554-6723.
15