TROUBLE SHOOTING
Malfunction status
Chain does not run.
Engine does not start.
No oil on the saw chain.
Chain does not stop even the chain
The tool vibrates abnormally.
Chain does not stop when engine is
idle.
Possible cause
Fuel supply problem.
Tool malfunction.
Air cleaner is dirty.
Cylinder space is dirty.
Environment temperature is very low.
Oil guide groove is dirty.
Oil pump malfunction.
Loose guide bar or saw chain.
Tool malfunction.
Idle speed is too high.
Clutch defect.
27
Remedy
Clean the air cleaner. Replace it if necessary.
Clean cylinder space.
Change the shutter setting of the carburetor. See
section "Prevention from carburetor icing".
Clean the groove.
authorized service center for repair.
authorized service center for repair.
Correct idle speed.
authorized service center for repair.