Desa 100271-01 Troubleshooting, Observed Fault, Possible Cause, Remedy, Extension Cords, page

OWNER’S MANUAL

TROUBLESHOOTING

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	1.	Chain assembled backwards on guide	1.	See Assembly, pages 6 and 7
		bar
Saw does not cut unless heavily forced.	1.	Chain is dull	1.	See Sharpening Your Saw Chain, pages
Cutting produces only sawdust with few				13 and 14
large chips
Saw runs slow. Saw stalls easily	1.	Low power supply voltage	1.	Extension cord wire size too small. See
				Extension Cords, page 8
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.	Chain brake activated	2.	Release trigger and move front hand
				guard back towards rear of saw
	3.	Extension cord connections loose	3.	Check cord connections
	4.	Open line fuse or circuit breaker	4.	Check line fuse or circuit breaker
	5.	Bad motor brushes	5.	Contact authorized service person
Motor of saw runs, but chain does not move	1.	Open wiring circuit on saw	1.	Contact authorized service person
	2.	Gear train failure	2.	Contact authorized service person
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
				Tank, page 7
Chain comes off guide bar	1.	Chain is loose	1.	Tighten chain. See Saw Chain Tension
				Adjustment, page 8
	2.	Guide bar and chain not assembled right	2.	See Assembly, pages 6 and 7
Saw smokes	1.	Saw damaged. Do not use saw	1.	Contact authorized service person
Saw leaks oil	1.	Oil cap is not secure	1.	Tighten oil cap. Note: Empty oil tank
				when not in use
Chain brake does not stop saw chain	1.	Brake failure	1.	Contact authorized service person

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