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TROUBLESHOOTING TABLE
WARNING: Always stop unitand 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
1. Chain tension incorrect.Chain does
not move
when trigger
switch is
engaged.
Chain clat-
ters or cuts
roughly.
Chain stops
during cut.
Oil inade-
quate for bar
and chain
lubrication.
Chain cuts
at an angle.
2. Guide bar rails pinched.
3. Trigger switch failure.
4. Circuit breaker tripped/
fuse failure.
1. Chain tension incorrect.
2.
3.
4.
5.
Cutters damaged.
Chain worn.
Cutters dull, improperly
sharpened, or depth
gauges too high.
Sprocket worn.
1. Chain cutter tops not
filed flat.
2. Guide bar burred or
bent; rails uneven.
1. Oil tank empty.
2. Oil outlet clogged.
3. Guide bar oil hole
blocked.
1. Cutters damaged on
one side.
2. Chain dull on one side.
3. Guide bar bent or worn.
1. See "Check Chain Tension" in
Maintenance section.
2. Repair or replace.
3. Contact an authorized service
dealer.
4. Reset circuit breaker or replace
fuse.
1. See "Check Chain Tension" in
Maintenance Section.
2. Contact an authorized service
dealer.
3. Resharpen or replace chain.
4. See "Chain Sharpening" in
Service and Adjustments section.
5. Contact an authorized service
dealer.
1.
2.
See "Chain Sharpening" in
Service and Adjustments section.
Repair or replace guide bar.
1. Fill oil tank.
2. Contact an authorized service
dealer.
3. Remove bar and clean.
1. See "Chain Sharpening" in
Service and Adjustments section.
2. See "Chain Sharpening" in
Service and Adjustments section.
3. Replace guide bar.
15
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