30

TROUBLESHOOTING

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after ODS/pilot is lit

1.

Inlet gas pressure is too low

 

2.

Burner orifice is clogged

 

3.

Thermopile leads disconnected or im-

 

 

properly connected (Remote-Ready

 

 

Models Only)

 

4.

Burners will not come on in remote po-

 

 

sition (Remote-Ready Models Only)

1.Contact local natural or propane/LP gas company

2.Clean burner (see Cleaning and Mainte- nance, page 28) or replace burner orifice

3.Reconnect leads (see Wiring Diagram, page 33)

4.Replace battery in transmitter and receiver

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local natural or propane/LP gas

 

 

 

 

company

 

2.

Burner orifice is clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 28) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Main-

 

 

 

 

tenance, page 28) or replace burner

 

 

 

 

orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

4.

Inlet gas pressure is too low

4.

Contact local natural or propane/LP gas

 

 

 

 

company

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

and log curing

 

operation

 

2.

Not enough air

2.

Check burner for dirt and debris. If

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

Maintenance, page 28)

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

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

 

 

 

 

natural gas company

 

3.

Air passageways on fireplace blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see pages 9 through 11)

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 28) 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 fireplace 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 6)

For..com

107032-01E

Page 30
Image 30
Desa EFS26NR, FMH26PR, EFS10TN, FMH26NR, EFS10TP installation manual Observed Problem Possible Cause, Remedy