Flagro THC-355DF Operating Instructions Manual page 10

PROBLEM POSSIBLE
CAUSES
Igniton Board
Thermostat
Optional Thermostat
REMEDY
Ensure electrical signals for igniter
and gas valve/solenoid are present.
Typical igniton board.
Ensure ignition board is properly
grounded.
Ensure that the thermostat is calling
for heat (if it is, the fan will start).
Please note that as a safety
measure, the thermostat is equipped
with a 10 - second delay.
If your appliance is equipped with
an optional external thermostat,
check that connections are secure
and restart the appliance. If the
appliance fails to restart, remove the
optional line thermostat and restart
the appliance to confirm its
operational status. If the unit starts,
then replace the thermostat.
10
COMPONENTS