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 con-

released

 

long enough

 

trol knob pressed in 30 seconds

 

3.

Equipment shutoff valve not

3.

Fully open equipment shutoff

 

 

fully open

 

valve

 

4.

Pilot flame not touching ther-

4.

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

 

 

 

problem could be caused by

 

Cleaning and Maintenance,

 

 

one or both of the following:

 

page 23) or replace ODS/pilot

 

 

A) Low gas pressure

 

assembly

 

 

B) Dirty or partially clogged

 

 

 

 

ODS/pilot

 

 

 

5.

Thermocouple connection

5.

Hand tighten until snug, then

 

 

loose at control valve

 

tighten 1/4 turn more

 

6.

Thermocouple damaged

6.

Replace pilot assembly

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

Burner does not light after

1. Inlet gas pressure is too low

1.

Contact local natural or pro-

ODS/pilot is lit

2.

Burner orifice(s) clogged

 

pane/LP gas company

 

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 23) or

 

3.

Thermopile leads disconnected

 

replace burner orifice

 

3.

Reconnect leads (see Wiring

 

 

or improperly connected

 

Diagram, page 29)

 

4.

Burners will not come on in

4.

Replace battery in transmitter

 

 

remote position

 

and receiver

 

 

 

 

Delayed ignition of burner

1. Manifold pressure is too low

1.

Contact local natural or pro-

 

2.

Burner orifice(s) clogged

 

pane/LP gas company

 

2.

Clean burner(s) (see Cleaning

 

 

 

 

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 replace burner orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas control

 

 

 

 

Slight smoke or odor during

1. Not enough air

1.

Check burner for dirt and

initial operation

 

 

 

debris. If found, clean burner

 

 

 

 

(see Cleaning and Mainte-

 

2.

Gas regulator defective

 

nance, page 23)

 

2.

Replace gas control

 

3.

Residues from manufacturing

3.

Problem will stop after a few

 

 

processes and logs curing

 

hours of operation

26

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Page 26
Image 26
Desa CF26PRA, CF26NRA installation manual See Cleaning and Mainte

CF26NRA, CF26PRA specifications

Desa CF26PRA and CF26NRA are highly regarded heating appliances designed for efficient and reliable home heating solutions. These units are part of Desa's comprehensive lineup, known for their innovative technology and user-friendly features. Both models are distinct yet share a common commitment to optimizing warmth and comfort in residential spaces.

One of the main features of the CF26PRA and CF26NRA is their impressive heating capacity. These heaters are engineered to deliver significant BTUs, ensuring that even large rooms are heated rapidly and evenly. Both models utilize a forced air distribution system that effectively circulates warmth throughout the living area, eliminating cold spots and providing a consistent, cozy environment.

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