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54
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Does the burner light?
W
ere the gas lines
purged of air?
Purge lines.
Check for the proper
orifice and air plate inside
the burner
.
Is the gas outlet pressure
3.5" for Natural Gas
(10
.5" for LP)?
Adjust the valve pressure
.
Is the inlet gas pressure during
ignition correct? (Natural 4.
6"
min., LP should be 11")
Measure voltage on valve
terminals. Is there 24 V
during ignition time
?
Is there gas outlet
pressure available during
the ignition period?
Check gas line stop cock.
Contact gas company
.
Are the wires connecting
the ignition module OK?
Replace/correct wires.
Replace ignition module
.
Turn valve ON.
Is the knob on the gas
valve in the ON position
?
Replace gas valve
.
Does the burner stay on
?
Are the wires
connecting the module
and electrode OK?
Inspect the ignition/flame
sense electrodes. Are they
in good condition
?
Measure the flame current
between the F+ and F-
terminals on the ignition
module using a 0–10 direct
current microamp meter
.
Is the flame above 2μAdc
?
Replace ignition module
.
Replace/correct wires.
Clean or replace electrode
.
Does the burner turn off
when the call for heat
ends
?
Check the thermostat and
check the continuity of the
ground wire
.
TROUBLESHOO
T ENDS.
If problems persist, contact
Big
Ass
Fans.
Contact Big
Ass
Fans.
www
.big
ass
fans.
com
NO
Replace electrode
.
Summary of Contents for IRH
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