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PLEASE NOTE: In order to facilitate trouble shooting, unit panels have been removed in some of these
pictures for ease of identification only. All panels and fasteners must be in place as provided by the
manufacturer to ensure the safe and efficient operation of this gas fuelled appliance.
PROBLEM:
NO HEAT, FAN OPERATES.
POSSIBLE CAUSE: Rear of heater is blocked.
Ensure rear of heater is unobstructed
REMEDY:
and proper rear clearances are maintained.
(see approval label for specifications)
POSSIBLE CAUSE:If the rear of the heater is obstructed, the snap
disc manual reset limit may trip and must be
reset manually before the fan can operate.
The high temperature limit switch reset button
REMEDY:
is found behind the louvers on the rear of the heater,
DISCONNECT THE POWER TO THE HEATER.
Use a non-metallic slim tool, insert carefully through
louver opening and push the "red" button to reset the
switch OR remove the louvered rear panel door and
push the "red" reset button. Make certain to re-close
the panel before operating the appliance.
POSSIBLE CAUSE:Faulty On-Off switch.
Replace the switch.
REMEDY:
THC-85 SERIES TROUBLESHOOTING ANALYSIS
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