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110150-01B
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21
TROUBLESHOOTING
OBSERVED PROBLEM
Burner does not light after ODS/pilot is lit
Delayed ignition burner
Burner backfiring during combustion
Slight smoke or odor during initial operation
Moisture/condensation noticed on windows
Heater produces a whistling noise when
burner is lit
White powder residue forming within burner
box or on adjacent walls or furniture
Remote does not function (GHRC and
GHRCTA Series only)
REMEDY
1. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
2. Contact local natural or propane/LP gas
company
3. Reconnect leads (see Wiring Diagram,
page 23)
4. Replace battery in transmitter and
receiver
1. Contact local natural or propane/LP gas
company
2. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
1. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
2. Replace damaged burner
3. Replace gas control
1. Check burner for dirt and debris. If
found, clean burner (see Cleaning and
Maintenance, page 19)
2. Replace gas control
3. Problem will stop after a few hours of
operation
1. Refer to Air for Combustion and Venti-
lation requirements (page 4)
1. Turn control knob to LO position and
let warm up for a minute
2. Operate burner until air is removed from
line. Have gas line checked by local
natural or propane/LP gas company
3. Observe minimum installation clear-
ances (see page 9)
4. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
1. Turn heater off when using furniture pol-
ish, wax, cleaners, or similar products
1. Replace 9-volt batteries in receiver and
remote control
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Burner orifice clogged
2. Inlet gas pressure is too low
3. Thermopile leads disconnected or im-
properly connected
4. Burners will not come on in remote
position
1. Manifold pressure is too low
2. Burner orifice clogged
1. Burner orifice is clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
3. Residues from manufacturing processes
and logs curing
1. Not enough combustion/ventilation air
1. Turning control knob to HI position
when burner is cold
2. Air in gas line
3. Air passageways on heater blocked
4. Dirty or partially clogged burner orifice
1. When heated, vapors from furniture pol-
ish, wax, carpet cleaners, etc. may turn
into white powder residue
1. Battery is not installed. Battery power
is low