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111826-05
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20
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
One or both burner does not light after
ODS/pilot is lit
Delayed ignition of burner
Burner backfiring during combustion
Orange flame in burner during burner
combustion
Slight smoke or odor during initial op-
eration
Heater produces a whistling noise when
burners are lit
White powder residue forming within burner
box or on adjacent walls or furniture
Moisture/condensation noticed on win-
dows
REMEDY
1. Contact local natural or propane/LP gas
company
2. Clean burner(s) (see Cleaning and
Maintenance, page 18) or replace burner
orifice(s)
3. Contact qualified service person
4. Replace burner orifice(s)
5. Put remote selector in ON position
6. See Wiring Diagram, page 23
1. Contact local natural or propane/LP gas
company
2. Clean burner(s) (see Cleaning and
Maintenance, page 18) or replace burner
orifice(s)
3. Contact qualified service person
1. Clean burner (see Cleaning and Main-
tenance, page 18) or replace burner
orifice
2. Replace damaged burner
3. Replace gas regulator
1. Check burner(s) for dirt and debris. If
found, clean burner(s) (see Cleaning and
Maintenance, page 18)
2. Replace gas regulator
1. Problem will stop after a few hours of
operation
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 7 through 10)
4. Clean burners (see Cleaning and Main-
tenance, page 18) or replace burner
orifice(s)
1. Turn heater off when using furniture
polish, wax, carpet cleaners, or similar
products
1. Refer to Air for Combustion and Venti-
lation requirements (page 4)
POSSIBLE CAUSE
1. Inlet gas pressure is too low
2. Burner orifice(s) clogged
3. Mislocated crossover tube
4. Burner orifice(s) diameter is too small
5. Remote selector in OFF position (Re-
mote-Ready Models Only)
6. Wire disconnected from gas control
(Remote-Ready Models Only)
1. Manifold pressure is too low
2. Burner orifice(s) clogged
3. Mislocated crossover tube
1. Burner orifice is clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
1. Residues from manufacturing processes
and logs curing
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. When heated, vapors from furniture pol-
ish, wax, carpet cleaners, etc. turn into
white powder residue
1. Not enough combustion/ventilation air
TROUBLESHOOTING