TROUBLESHOOTING

21

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after ODS/pilot is lit

1.

Burner orifice is clogged

 

2.

Inlet gas pressure is too low

1.Clean burner (see Cleaning and mainte- nance, page 19) or replace burner orifice

2.Contact local propane/LP or natural gas company

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local propane/LP or natural gas

 

2.

Burner orifice is clogged

 

company

 

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 19) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

2.

Burner damaged

 

nance, page 19) or replace burner orifice

 

2.

Replace burner pressure

 

3.

Low inlet gas pressure

3.

Contact local propane/LP or natural gas

 

4.

Gas regulator defective

 

company

 

4.

Replace gas regulator

 

 

 

 

 

Yellow flame during burner combustion

1.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

found, clean burner (see Cleaning and

 

2.

Gas regulator defective

 

Maintenance, page 19)

 

2.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

 

 

operation

 

 

 

 

 

Fireplace produces a whistling noise when

1.

Turning control knob to HI position

1.

Turn control knob to LO position and

burner is lit

 

when burner is cold

 

let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

line. Have gas line checked by local pro-

 

3.

Air passageways on fireplace blocked

 

pane/LP gas company

 

3.

Observe minimum installation clear-

 

4.

Dirty or partially clogged burner orifice

 

ances (see Figures 7 and 8, page 8)

 

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 19) or replace burner orifice

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

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Desa CGCFTP CGCFTN installation manual Maintenance