TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect from the power source before per- forming all of the recommended remedies below except remedies that require unit to be operating.
TROUBLE | CAUSE | REMEDY | |||
Chain does | 1. | Chain tension incorrect. | 1. | See “Check Chain Tension” in | |
not move |
|
|
| Maintenance section. | |
when trigger | 2. | Guide bar rails pinched. | 2. | Repair or replace. | |
switch is | 3. | Trigger switch failure. | 3. Contact an authorized service | ||
engaged. | 4. | Circuit breaker tripped/ |
| dealer. | |
4. Reset circuit breaker or replace fuse. | |||||
| |||||
|
| fuse failure. |
|
| |
Chain clatters | 1. | Chain tension incorrect. | 1. | See “Check Chain Tension” in | |
or cuts | 2. | Cutters damaged. |
| Maintenance Section. | |
roughly. | 2. Contact an authorized service | ||||
| 3. | Chain worn. |
| dealer. | |
| 3. Resharpen or replace chain. | ||||
| 4. | Cutters dull, improperly | 4. See “Chain Sharpening” in | ||
|
| sharpened, or depth |
| Service and Adjustments section. | |
|
| gauges too high. |
|
| |
| 5. | Sprocket worn. | 5. Contact an 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 inadequate | 1. Oil tank empty. | 1. Fill oil tank. | |||
for bar and | 2. Oil outlet clogged. | 2. Contact an authorized service | |||
chain lubrica- | 3. Guide bar oil hole |
| dealer. | ||
tion. | 3. Remove bar and clean. | ||||
|
| blocked. |
|
| |
Chain cuts at | 1. Cutters damaged on | 1. See “Chain Sharpening” in | |||
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. | |||
Trimmer head | 1. | Crowding trimmer line | 1. Allow tip of line to do the cutting. | ||
stops under a |
| against material being |
|
| |
load or does |
| cut. |
|
| |
not turn when | 2. | Electrical failure. | 2. Contact your authorized service dealer. | ||
switch is | 3. | Thrown circuit breaker. | 3. Check Breaker Box. | ||
pressed. | 4. | Debris stopping head. | 4. Remove debris. | ||
Line does not | 1. | Line improperly routed | 1. Check line routing. | ||
advance or |
| in head. |
|
| |
breaks while | 2. | Line improperly | 2. Rewind line tightly and evenly. | ||
cutting. | 3. | wound into spool. | 3. Use only 0.080 inch (2 mm) dia. line. | ||
| Incorrect line size | ||||
| 4. | Not enough line | 4. Remove cover and pull 4 inches | ||
|
| outside of head. |
| (10 cm) of line out of head. | |
| 5. | Dirt buildup on unit. | 5. Clean unit. | ||
Line welds | 1. Line size is incorrect. | 1. Use only 0.080 inch (2 mm) dia. line. | |||
onto spool. | 2. Incorrect spool. | 2. Replace with correct spool. | |||
| 3. Line is being crowded | 3. Cut with tip of line fully extended. | |||
|
| against material being cut. |
|
| |
Line releases | 1. | Line improperly | 1. Check line routing. | ||
continuously. |
| routed in head. |
|
| |
| 2. | Spool damaged. | 2. Replace spool. | ||
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