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TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Burner does not light after ODS/pilot is lit
Delayed ignition of burner
Burner backfiring during combustion
Slight smoke or odor during initial operation
Fireplace produces a whistling noise when
burner is lit
White powder residue forming within burner
box or on adjacent walls or furniture
104407
POSSIBLE CAUSE
1. Burner orifice is clogged
2. Burner orifice diameter is too small
3. Inlet gas pressure is too low
1. Manifold pressure is too low
2. Burner orifice is clogged
1. Burner orifice is clogged or damaged
2. Burner damaged
3. Low inlet gas pressure
4. Gas regulator defective
1. Residues from manufacturing processes
1. Air in gas line
2. Air passageways on fireplace blocked
3. Dirty or partially clogged burner orifice
1. When heated, vapors from furniture pol-
ish, wax, carpet cleaners, etc. turn into
white powder residue
www.desatech.com
21
OWNER'S MANUAL
REMEDY
1. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
2. Replace burner orifice
3. Contact local propane/LP gas company
1. Contact local propane/LP gas company
2. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
1. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
2. Replace burner pressure
3. Contact local propane/LP gas company
4. Replace gas regulator
1. Problem will stop after a few hours of
operation
1. Operate burner until air is removed from
line. Have gas line checked by local pro-
pane/LP gas company
2. Observe minimum installation clearances
(see pages 8 through 10)
3. Clean burner (see Cleaning and Mainte-
nance, page 23) or replace burner orifice
1. Turn heater off when using furniture
polish, wax, carpet cleaners, or similar
products
Continued
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