Troubleshooting

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Manual Ignition System Only

1. Gas control knob not fully

1.

Press in gas control knob

Pilot lights but flame goes out

 

pressed in

2.

fully

when control knob is released

2. Gas control knob not pressed

After pilot lights, keep gas con-

 

3.

in long enough

3.

trol knob pressed in 30 seconds

 

Equipment shutoff valve not

Fully open equipment shutoff

 

4.

fully open

4.

valve

 

Pilot flame not touching

A) Contact local natural or

 

 

thermocouple, which allows

 

propane/LP gas company

 

 

thermocouple to cool, causing

 

B) Clean pilot (see Cleaning

 

 

pilot to go out. This problem

 

and Maintenance, page 23) or

 

 

could be caused by one or

 

replace pilot assembly

 

 

more of the following:

 

 

 

 

 

A) Low gas pressure

 

 

 

 

 

B) Dirty or partially clogged

 

 

 

 

5.

pilot

5.

Hand tighten until snug, then

 

Thermocouple connection

 

6.

loose at control valve.

6.

tighten 1/4 turn more

 

Thermocouple damaged

Replace pilot assembly

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

 

Burner does not light after pilot is

1. Burner orifice clogged

1.

Clean burner (see Cleaning

lit or cycles during operation.

 

 

 

and Maintenance, page 23) or

 

2.

Inlet gas pressure is too low

2.

replace burner orifice

 

Contact local propane/LP or

 

3.

Thermopile leads disconnect-

3.

natural gas company

 

Reconnect leads

 

4.

ed or improperly connected

4.

Replace thermopile

 

Thermopile is defective

 

5.

Improper venting or exces-

5.

Have the vent system inspect-

 

 

sive blockage

 

ed, including the termination

 

 

 

 

cap. Remove any restriction

 

 

 

 

or obstruction

 

 

 

 

 

Delayed ignition at burner

1. Manifold pressure too low

1.

Contact local propane/LP or

 

2.

Burner porting or orifice

2.

natural gas company

 

Clean burner (see Cleaning

 

 

clogged

 

and Maintenance, page 23) or

 

 

 

 

replace burner orifice

 

 

 

 

 

Burner backfiring during com-

1. Burner orifice is clogged or

1.

Clean burner (see Cleaning

bustion

 

damaged

 

and Maintenance, page 23) or

 

2.

Damaged burner

2.

replace burner orifice

 

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas control

 

 

 

 

 

Slight smoke or odor during

1. Residues from manufacturing

1.

Problem will stop after a few

initial operation

 

processes and logs curing

 

hours of operation

26

www.desatech.com

117437-01B

Page 26
Image 26
Desa (V)CB36P(E), (V)CB36N(E) operation manual Long enough

(V)CB36P(E), (V)CB36N(E) specifications

The Desa (V)CB36N(E) and (V)CB36P(E) represent a significant advancement in heating technology, offering efficient and reliable heating solutions for diverse residential needs. Both models showcase an amalgamation of modern design, energy efficiency, and user-friendly features, making them ideal for contemporary living spaces.

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