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Problem
Possible Cause
Incorrect Wiring
Power vent
blower doesn't
Blower Motor
turn on.
Valve / Pilot Wiring
Power vent
blower runs but
pilot will not try
to light.
Vacuum Switch
Valve Wiring
Burner will not
light.
Vent Restriction
Venturi Setting
Flames are very
low on HIGH.
Vent Restriction
Venturi Setting
Flames are
transparent /
Vent Restriction
lifting off burner.
Power vent
blower runs post
Normal Operation
shutdown.
Solution
•
Yellow wire harness loop has not been cut.
•
Refer to wiring instructions and confirm the blower and
wire taps have been wired correctly.
•
Use a volt meter to confirm incoming and outgoing
power at the IFC.
•
Confirm all spade connectors are correctly engaged.
•
Confirm blower is operational by wiring it to a direct
120VAC power source outside of IFC circuit.
•
Replace blower.
•
IFC is in lockout state. Fully reset the IFC.
•
PV mode hasn't been enabled. Confirm "O" side of
IFC
power vent rocker switch is pushed down.
•
Replace IFC.
•
Confirm the red valve wire was not disconnected during
PV installation.
•
Confirm the orange and white pilot wires were
reconnected to the IFC during PV installation.
•
Ensure the vacuum switch is mounted in a vertical non-
angled position within Power Vent cap.
•
Ensure the silicone hose is attached to the port furthest
from electrical connections.
•
Check electrical connections, the middle spade
connector of the vacuum switch should be
•
Jump the cut yellow harness wires together after the
blower turns on. If pilot and burner turns on, there is a
problem with the vacuum switch circuit.
•
Replace vacuum switch.
•
Confirm the green valve wire was not disconnected
during PV installation.
•
The fireplace is not restricted enough. Increase the
restrictor setting/size as needed.
•
Venturi is set too open, adjust it closed accordingly
•
The fireplace is not restricted enough for the vent run.
Increase the restrictor setting/size as needed.
•
Venturi is set incorrectly, adjust it accordingly.
•
The fireplace is over restricted for the vent run. Reduce
the restrictor setting/size as needed.
•
The blower will operate for a few minutes post
shutdown to purge remaining flue gas from the vent.
•
Blower will remain in continuous operation if pilot is left
in CPI mode.
Troubleshooting
.
UNUSED
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