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

 

 

 

Saw does not cut unless heavily forced.

Chain is dull

See Sharpening Saw Chain, page 13

Cutting produces only sawdust with few

 

 

 

 

large chips

 

 

 

 

 

 

 

Saw runs slow. Saw stalls easily

Low power supply voltage

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.

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

 

 

 

Motor of saw runs, but chain does not move

Gear train failure

See authorized service center

 

 

 

 

 

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 7

 

2.

Guide bar and chain not assembled right

2.

See Assembly, page 6

 

 

 

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

107990

15

For more information, visit www.desatech.com

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Desa 099178H, 100089-04, 100089-08, 100089-05, 098031J, 099039J Troubleshooting, Observed Fault Possible Cause Remedy

107714-02, 100089-06, 099039J, 099178H, 100089-04 specifications

Desa 100089-05, 100089-08, 098031J, 100089-04, and 099178H represent a series of advanced heating technologies utilized primarily in residential and commercial applications. Each model is designed to effectively provide warmth while optimizing energy usage and enhancing user comfort.

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