TROUBLESHOOTING

25

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

One or more burners do not light after ODS/

1.

Inlet gas pressure is too low

1.

Contact local natural or propane/LP gas

pilot is lit

 

 

 

company

 

2.

Burner orifice(s) clogged

2. Clean burner(s) (see Cleaning and Mainte-

 

 

 

 

nance, page 23) or replace burner orifice(s)

 

3.

Mislocated crossover tube

3.

Contact qualified service person

 

4.

Thermopile leads disconnected or im-

4.

Reconnect leads (see Wiring Diagram,

 

 

properly connected (Remote-Ready

 

page 28)

 

 

Models Only)

 

 

 

5.

Burners will not come on in remote po-

5.

Replace battery in transmitter and

 

 

sition (Remote-Ready Models Only)

 

receiver

 

 

 

 

 

Delayed ignition of one or more burners

1.

Manifold pressure is too low

1.

Contact local natural or propane/LP gas

 

 

 

 

company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning and Main-

 

 

 

 

tenance, page 23) or replace burner

 

 

 

 

orifice(s)

 

3.

Mislocated crossover tube

3.

Contact qualified service person

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 23) or replace burner orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

Yellow flame in front/middle burner

1.

Not enough air

during burner combustion (VRL24NT/PT,

 

 

VRL24NR/PR, VRL30NT/PT, VRL30NR/

 

 

PR, CSG3924NT/PT, CSG3924NR/PR)

2.

Gas regulator defective

Yellow flame in front burner during burner

 

 

combustion (CTB3924NT/PT, CTB3924NR/PR)

1.Check burner(s) for dirt and debris. If found, clean burner(s) (see Cleaning and Maintenance, page 23)

2.Replace gas regulator

Slight smoke or odor during initial operation 1. Residues from manufacturing processes and logs curing

1.Problem will stop after a few hours of operation

Heater produces a whistling noise when 1.

Turning control knob to HI position

1.

Turn control knob to LO position and

burners are lit

when burners are cold

 

let warm up for a minute

2.

Air in gas line

2.

Operate burners until air is removed

 

 

 

from line. Have gas line checked by lo-

 

 

 

cal natural or propane/LP gas company

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

ances (see pages 8 through 10)

4.

Dirty or partially clogged burner

4.

Clean burners (see Cleaning and Main-

 

orifice(s)

 

tenance, page 23)

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. may turn into white powder residue

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products

Moisture/condensation noticed on windows 1. Not enough combustion/ventilation air

1. Refer to Air for Combustion and Venti-

 

lation requirements (page 5)

For morevisit www..com

110021-01A

Page 25
Image 25
Desa VRL30NT, VRL24NT, CTB3924PT, CSG3924NT, VRL24PT, VRL30PT installation manual Refer to Air for Combustion and Venti

VRL30NT, VRL24PT, CSG3924NT, VRL30PT, VRL24NT specifications

Desa VRL24NR, VRL24PR, VRL30NR, VRL30PR, CSG3924NR, CSG3924PR, CTB3924NR, CTB3924PR, VRL24NT, VRL24PT, VRL30NT, VRL30PT, CSG3924NT, CSG3924PT, CTB3924NT, and CTB3924PT are a series of innovative heating solutions that cater to various residential and commercial needs. These models are designed to provide efficient, reliable, and aesthetically pleasing heating options.

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