HearthSense
23200549-05A
TROUBLESHOOTING
WARNING: If you smell gas:
• Shut o gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your
building.
• Immediately call your gas supplier from a neighbor’s phone. Fol-
low the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re department.
WARNING: Only a qualied service technician should service and
repair heater. Make sure that power is turned o before proceeding.
Turn o and let cool before servicing.
CAUTION: Never use a wire, needle, or similar object to clean
ODS/pilot. This can damage ODS/pilot unit.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning sup-
plies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc.,
create fumes. These fumes may mix with combustion air and create odors.
Note: All troubleshooting items are listed in order of operation.
CARE AND MAINTENANCE
Always disconnect the appliance from the
main power supply and allow it to cool
before any servicing operation.
The motors used on the fan heater and ame
blower are pre-lubricated for extended bear-
ing life and require no further lubrication.
However, periodic cleaning/vacuuming of the
appliance around the air intake and exhaust
is recommended. For heavy or continuous
use, periodic cleaning must be done more
frequently. If the heater blows alternating cold
and warm air, check the fan for free movement
and for debris restricting air ow. If the fan
does not move freely, the unit must be turned
o and the fan replaced immediately in order
to prevent further damage to the unit.
MAINTENANCE OF BLOWER MOTOR
(
IF EQUIPPED
)
Pressure Switch
When using natural gas, there is a pressure
switch that acts to turn o the gas ow to the
pilot if the inlet pressure exceeds 9.5" WC.
This is to prevent the operation of the unit
on the wrong gas (propane). If your natural
gas supply exceeds 9.5" WC the unit will
not operate. Either contact your gas supplier
Problem Possible Cause Corrective Action
Using natural gas and
pilot will not light.
Inlet pressure exceeds 9.5" WC. Bypass pressure switch. See
instructions below.
to check and adjust the inlet pressure or a
qualied service technician can bypass the
pressure switch.
Before attempting to bypass the pressure
switch, make sure the type of gas being used
is correct. Check to make sure the connection
tting is in the correct inlet on the regulator.
Refer to Connecting to Gas Supply, page 15.
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