Desa 107624-01 Troubleshooting, English, Note: For additional help, visit DESA Specialty

TROUBLESHOOTING	WARNING: Unplug chain saw from
Note: For additional help, visit DESA Specialty	power source before servicing. Severe
ProductsÕª technical service web site at	injury or death could occur from electrical
www.desatech.com.	shock or body contact with moving chain.

OBSERVED FAULT	POSSIBLE CAUSE		REMEDY
Saw runs, but does not cut	Chain assembled backwards on guide		See Assembly, pages 7 and 8
	bar
Saw does not cut unless heavily	Chain is dull		See Sharpening Saw Chain, pages
forced. Cutting produces only saw-			14 and 15
dust with few large chips
Saw runs slow. Saw stalls easily	Low power supply voltage		Extension cord wire size too small.
			See Extension Cords, page 10
Motor of saw does not run when you	1.	Switch lockout not pushed for-	1.	Push switch lockout forward be-
squeeze trigger		ward in to release trigger		fore squeezing 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.	Worn out motor brushes	4.	See authorized service center
	5.	Open wiring circuit on saw	5.	See authorized service center
Motor of saw runs, but chain does	Gear train failure		See authorized service center
not move
Chain does not get oil	All Models
	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
	Models with Automatic Oiler			Filling Oil Tank, page 9
	1.	Vent in oil cap clogged	1.	Remove cap and clean vent hole
	2.	Filter in oil reservoir clogged	2.	Remove filter in oil reservoir and
				clean
	3.	Pump damaged, do not use saw	3.	See authorized service center
Chain comes off guide bar	1.	Chain is loose	1.	Tighten chain. See Saw Chain Ten-
				sion Adjustment, pages 8 and 9
	2.	Guide bar and chain not as-	2.	See Assembly, pages 7 and 8
		sembled correctly
Saw smokes	Saw damaged. Do not use saw		See authorized service center
Saw leaks oil	Oil cap is not secure		Tighten oil cap. Note: Empty oil
			tank when not in use

ENGLISH

107705 19 www.desatech.com

107705-01 19 12/16/03, 4:07 PM