OWNER’S MANUAL
TROUBLESHOOTING
Note: For additional help, visit our technical service web site at www.desatech.com.
WARNING: Unplug chain saw from power source before servicing. Severe injury or death could occur from electrical shock or body contact with moving chain.
OBSERVED FAULT | POSSIBLE CAUSE | REMEDY | ||
Saw runs, but does not cut | Chain assembled backwards on guide bar | See Assembly, page 6 | ||
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Saw does not cut unless heavily forced. | Chain is dull | See Sharpening Saw Chain, page 13 | ||
Cutting produces only sawdust with few |
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large chips |
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Saw runs slow. Saw stalls easily | Low power supply voltage | Extension cord wire size too small. See | ||
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| Extension Cords, page 8 | |
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Motor of saw does not run when you squeeze | 1. | Switch lockout not pressed in to release | 1. | Press in switch lockout before squeez- |
trigger |
| trigger |
| ing trigger |
| 2. | Extension cord connections loose | 2. | Check cord connections |
| 3. | Open line fuse or circuit breaker | 3. | Check line fuse or circuit breaker |
| 4. | Bad motor brushes | 4. | See authorized service center |
| 5. | Open wiring circuit on saw | 5. | See authorized service center |
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Motor of saw runs, but chain does not move | Gear train failure | See authorized service center | ||
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Chain does not get oil | 1. | Clogged oil slot in guide bar | 1. | Remove guide bar and clean oil slot |
| 2. | Oil is too thick | 2. | Use correct weight of oil. See Filling Oil |
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| Tank, page 7 |
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Chain comes off guide bar | 1. | Chain is loose | 1. | Tighten chain. See Saw Chain Tension |
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| Adjustment, page 7 |
| 2. | Guide bar and chain not assembled right | 2. | See Assembly, page 6 |
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Saw smokes | Saw damaged. Do not use saw | See authorized service center | ||
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Saw leaks oil | Oil cap is not secure | Tighten oil cap. Note: Empty oil tank when | ||
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| not in use | |
107990 | 15 | For more information, visit www.desatech.com |