24

TROUBLESHOOTING

TROUBLESHOOTING

Continued

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

Burner does not light after ODS/pilot is lit

1.

Inlet gas 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 Mainte-

 

 

 

 

 

 

nance, page 21) or replace burner orifice(s)

 

 

 

3.

Thermopile leads disconnected or im-

3.

Reconnect leads (see Wiring Diagram,

 

 

 

 

properly connected

 

page 22)

 

 

 

4.

Burner will not come on in remote po-

4.

Replace battery in transmitter and receiver

 

 

 

 

sition

 

 

 

 

 

 

 

 

 

 

 

 

Delayed ignition of one or both 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 21) or replace burner

 

 

 

 

 

 

orifice(s)

 

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Main-

 

 

 

 

 

 

tenance, page 21) or replace burner

 

 

 

 

 

 

orifice(s)

 

 

 

2.

Damaged burner

2.

Replace damaged burner

 

 

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

 

 

Maintenance, page 21)

 

 

 

2.

Gas regulator defective

2.

Replace gas control

 

 

 

3.

Residues from manufacturing processes

3.

Problem will stop after a few hours of

 

Moisture/condensation noticed on windows

 

and logs curing

 

operation

 

 

 

 

 

 

 

 

Heater produces a whistling noise when

1.

Not enough combustion/ventilation air

1.

Refer to Air for Combustion and Venti-

 

burners are lit

 

 

 

lation requirements (page 5)

 

 

 

 

 

 

 

 

1.Turning control knob to HI position when burners are cold

2.Air in gas line

3.Air passageways on heater blocked

4.Dirty or partially clogged burner orifice(s)

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

2.Operate burners until air is removed from line. Have gas line checked by lo- cal natural or propane/LP gas company

3.Observe minimum installation clear- ances (see pages 8 through 11)

4.Clean burners (see Cleaning and Main- tenance, page 21) or replace burner orifice(s)

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

Remote does not function (GHRC and GHRCTA only)

1.Battery is not installed. Battery power is low

1.Replace 9-volt batteries in receiver and remote control

For..com

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Image 24
Desa VYGF33NRA, VYGF33PRA, FPVF33NR installation manual Refer to Air for Combustion and Venti
Page 23 Page 25

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