TROUBLESHOOTING CHART
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 | |
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Chain does | 1. | Chain tension incorrect. | 1. | See “Check Chain Tension” in |
not move |
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| Maintenance section. |
when trigger | 2. | Guide bar rails pinched. | 2. | Repair or replace. |
switch is | 3. | Trigger switch failure. | 3. | Contact authorized service dealer. |
engaged. | 4. | Circuit breaker tripped/ | 4. | Reset circuit breaker or replace |
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| fuse failure. |
| fuse. |
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Chain clat- | 1. | Chain tension incorrect. | 1. | See “Check Chain Tension” in |
ters or cuts |
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| Maintenance Section. |
roughly. | 2. | Cutters damaged. | 2. | Contact authorized service dealer. |
| 3. | Chain worn. | 3. | Resharpen or replace chain. |
| 4. | Cutters dull, improperly | 4. | See “Chain Sharpening” in |
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| sharpened, or depth |
| Service and Adjustments section. |
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| gauges too high. | 5. | Contact authorized service dealer. |
| 5. | Sprocket worn. | ||
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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. | |
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| bent; rails uneven. |
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Oil inade- | 1. Oil tank empty. | 1. | Fill oil tank. | |
quate for bar | 2. Oil outlet clogged. | 2. | Contact authorized service dealer. | |
and chain | 3. Guide bar oil hole | 3. | Remove bar and clean. | |
lubrication. |
| blocked. |
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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 | ||
| 3. Guide bar bent or worn. |
| Service and Adjustments section. | |
| 3. Replace guide bar. | |||
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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
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