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14
Problem
Possible cause
Solution
No function when On/Off Trigger Switch (12) is operated
No power
Check power supply
Defective On/Off Trigger Switch
Replace the On/Off Trigger Switch at an authorised GMC
service centre
Intermittent power cut out
Replace the On/Off Trigger Switch at an authorised GMC
service centre
Gradual power loss, intermittent cut-out
Worn/ faulty motor brushes
Replace using supplied spare brush set (see ‘Brushes’), or
return to an authorised GMC service centre
Chainsaw does not cut effectively, and produces fine saw
dust
Saw Chain (3) blunt
Sharpen or replace the Saw Chain
Chain oil reservoir empty
Refill chain oil
Chain oil delivery too low
Ensure chain oil path is not blocked with debris, clear debris
Chain tensioned incorrectly
Correct chain tension in ‘Tensioning the chain’
Troubleshooting
GB
513815_Z1MANPRO1.indd 14
01/08/2014 14:26