Desa CB36P Is cold, Air in gas line, Glass soots Flame impingement on Adjust the log set so Logs

Models: CB36P CB36N

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Troubleshooting

Continued

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

Heat produces a whistling 1.

Turning gas control knob

noise when burner is lit

to HI position when burner

 

is cold

2.

Air in gas line

3. Dirty or partially clogged burner orifice

1.Turn gas control knob to LO position and let warm up for a minute

2.Operate burner until air is removed from line. Have gas line checked by pro pane/LP or natural gas company

3.Clean burner (see Cleaning and Maintenance, page 24) or replace burner orifice

Glass soots

1. Flame impingement on

1.

Adjust the log set so the

 

 

logs

 

flame does equipment shut-

 

 

 

 

off valve

 

2.

Debris around burner air

2.

Inspect the opening at the

 

 

mixer

 

base of the burner to see

 

 

 

 

that it is not packed with

 

 

 

 

any type of material

 

 

 

 

Fireplace produces a clicking/

1. Metal expanding while

1.

This is normal. If noise is

ticking noise just after burners

 

heating or contracting

 

excessive, contact qualified

are lit or shut off

 

while cooling

 

service person

 

 

 

 

Remote does not function

1. Battery is not installed or

1.

Replace 9-volt batteries in

 

 

battery is power is low

 

receiver and remote control

 

 

 

 

Fireplace shuts off in use.

1. High or gusting winds

1.

Fireplace has been tested for

Burner backfiring during com-

 

 

 

up to 40 mph winds. How-

bustion

 

 

 

ever, extreme conditions

 

 

 

 

may occur. See Lighting

 

 

 

 

Instructions, page 20 or 21

 

2.

Low line pressure

2.

Check local propane/LP or

 

 

 

 

natural gas company

 

3.

Pilot is partially clogged

3.

Clean pilot (see Cleaning

 

 

 

 

and Maintenance, page

 

 

 

 

24)

 

4.

Improper or restricted vent-

4.

Locate and correct all vent

 

 

ing

 

conditions (see Checking for

 

 

 

 

Proper Venting, page 10)

 

5.

Clogged burner tube,

5.

Clean burner tube and

 

 

blocked orifice or improper

 

orifice, adjust air shutter

 

 

burner air adjustment

 

(see Inspecting Burners,

 

 

 

 

page 23)

 

6.

Bad thermopile or thermo-

6.

Replace faulty compo-

 

 

couple

 

nents

 

7.

Vent cap improperly in-

7.

Check for proper installa-

 

 

stalled or blocked

 

tion or remove debris or

 

 

 

 

blockage

28

www.desatech.com

117437-01D

Page 28
Image 28
Desa CB36P, CB36N Is cold, Air in gas line, Glass soots Flame impingement on Adjust the log set so Logs, Off valve, Ing