TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

ODS/pilot lights but flame

1.

Control knob not fully pressed in

1.

Press in control knob fully

goes out when control knob is

2.

Control knob not pressed in

2.

After ODS/pilot lights, keep

released

 

long enough

 

control knob pressed in 30

 

3.

Equipment shutoff valve not

 

seconds

 

3.

Fully open equipment shutoff

 

 

fully open

 

valve

 

4.

Thermocouple connection

4.

Hand tighten until snug, then

 

 

loose at control valve

 

tighten 1/4 turn more

 

5.

Pilot flame not touching ther-

5.

A) Contact local natural or

 

 

mocouple, which allows ther-

 

propane/LP gas company

 

 

mocouple to cool, causing

 

B) Clean ODS/pilot (see

 

 

pilot flame to go out. This

 

Cleaning and Maintenance,

 

 

problem could be caused by

 

page 15) or replace ODS/pilot

 

 

one or both of the following:

 

assembly

A)Low gas pressure

B)Dirty or partially clogged ODS/pilot

 

6.

Thermocouple damaged

6.

Replace pilot assembly

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

Burner does not light after

1. Burner orifice is clogged

1.

Clean burner orifice (see Clean-

ODS/pilot is lit

 

 

 

ing and Maintenance, page 15)

 

 

 

 

or replace burner orifice

 

2.

Inlet gas pressure is too low

2.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

 

 

 

Delayed ignition of burner

1. Manifold pressure is too low

1.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

2.

Burner orifice is clogged

2.

Clean burner orifice (see Clean-

 

 

 

 

ing and Maintenance, page 15)

 

 

 

 

or replace burner orifice

 

 

 

 

Burner backfiring during com-

1. Burner orifice is clogged or

1.

Clean burner orifice (see Clean-

bustion

 

damaged

 

ing and Maintenance, page 15)

 

2.

Burner damaged

 

or replace burner orifice

 

2.

Replace burner

 

3.

Gas regulator defective

3.

Replace gas regulator

117001-01A

www.desatech.com

17

Page 17
Image 17
Desa GWP10 GWN10T installation manual ODS/pilot lights but flame

GWP10 GWN10T specifications

The Desa GWP10 and GWN10T are innovative heating solutions designed for both residential and commercial applications. These models stand out in the market due to their modern features, advanced technologies, and exceptional performance characteristics.

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