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Problem
Cause
Burner doesn't turn on
IFC ON/OFF circuit is OPEN
Remote signal not being received
No call for heat
Unresponsive IFC
Problem with pilot
Pilot not a�emp�ng to
No call for heat
spark
Locked out IFC
Spark signal interrup�ed
Natural vent Power vent (PV) circuit is OPEN
Power vent Power vent (PV) circuit is CLOSED
Pilot flame not ligh�ng or
Air in pilot gas line
weak flame (has spark at
Not enough gas pressure
hood)
Pilot flame not staying lit
7 con�nuous days with no burner opera�on
Problem with flame sensor circuit
Exhaust Restrictor Se�ng
Flame dropping out
Improper fireplace se�ngs
(visual flame problems)
Weak or irra�c pilot flame
Environmental condi�ons (windy)
Environmental condi�ons (extreme cold)
Flame dropping out
Not enough gas supply
(no visual flame problems)
Flame li�ing
Too much primary air
Exhaust restrictor se�ng
Problem with ven�ng system
Input rate too high
Trouble establishing dra� (weather related)
Flame weaving, bending or
Poor firebox seal
uneven (some is normal)
Uneven secondary air distribu�on
Incorrect media placement
46 |
Solu�on
Ensure ON/OFF circuit is complete
(check with mul�meter)
Ensure IFC is receiving remote commands (beeping)
**Remote commands may need to be repeated
Ensure heat has been called for
Ensure IFC is working correctly
*audible beeps confirms IFC is ge�ng power
Ensure pilot flame is opera�onal
Ensure heat has been called for
Reset IFC
Ensure complete sparker circuit
Ensure PV circuit is closed (check with mul�meter)
Ensure PV system is working
Purge pilot gas line
Ensure gas is reaching pilot
Re-start fireplace using remote
Ensure healthy flame rec�fica�on
Ensure correct exhaust restric�on se�ng
Ensure proper fireplace se�ngs
Ensure pilot flame is healthy
Fireplace adjustment may be necessary
Use "Con�nuous Pilot" mode (CPI)
Ensure proper gas flow and pressure
Ensure pilot is opera�onal
Decrease primary air by closing air shu�er (venturi)
Improper exhaust restrictor se�ng
Ensure ven�ng system is properly set-up
Ensure correct gas orifice size and manifold pressure
Use "Con�nuous Pilot" mode (CPI)
Ensure complete seal at glass silicone strips
Ensure firebox sealed
Ensure burner pla�orm is secured
Ensure even air slot height around burner
(U70 NG models) Back and forth warping of diffuser mesh
Ensure secondary air slots are cleared
Check
Check the ON/OFF switch, confirm "-" symbol is pressed down
Check for con�nuity across burner switch
Re-sync remote
Weak or dead remote ba�eries
Check reciever antenna is in correct loca�on (see "Fireplace Control Panel")
Check for red blinking light on IFC (see "IFC locked out" below)
Check thermostat se�ng is below set point
Check third party fireplace control
Check circuit breaker
Check for 120VAC at IFC
Check IFC fuse
Check for red blinking light on IFC (see "IFC error" troubleshoo�ng sec�on
See "Pilot flame not ligh�ng.." below
Check thermostat se�ng is below set point
Check third party fireplace control
See "Unresponsive fireplace" below
Check electrode rod not shor�ng out on burner pla�orm - adjust rod only if necessary
Check electrode wire not shor�ng out (especially at aluminum pilot line)
Check orange electrode wire has firm connec�on at IFC
Check pilot electrode orienta�on to pilot hood - should be no more than 1/4" away
Check the PV switch, confirm "-" symbol is pressed down (see "Fireplace Control Panel")
Ensure the IFC PV jumper hasn't come lose inside the IFC (orange wires)
See "Fireplace unresponsive" below
May take a few igni�on cycles for gas to self-purge (may need to hard reset IFC a�er cycles)
Check gas inlet supply and pressure (see "Gas Connec�ons")
Check for complete wiring connec�ons at valve (look for faux connec�ons)
Check pilot is set-up for correct fuel-type
Check for pilot flame obstruc�ons (typically burner media)
Check for debris in pilot line at pilot head (typically propane units)
Check pilot flame adjustment screw on valve
Check for pilot line leak - do you smell gas?
This is normal
Ensure sensor hook is glowing bright red
Check for healthy pilot; ensure sensor hook is fully engulfed in flame
Check sensor hook is not touching pilot hood
Check white sensor wire has firm connec�on with IFC
Check sensor hook for corrosion, film, or debris
Check pilot for healthly ground (check pilot hood con�nuity)
See "Ven�ng Configura�on"
Check exhaust restrictor se�ng; see "Ven�ng Configura�on"
Check ven�ng configura�on is approved
Check for ven�ng obstruc�ons (including at termina�on cap)
Check primary air se�ng; see "Primary Air Adjustment"
Check flame sensor circuit; see "Pilot flame not staying lit"
Check for approved high-wind termina�on cap
Check for proper fireplace se�ngs (see above)
Adjust exhaust restrictor only if necessary
This will help the fireplace establish dra� when freshly turned on
Check fuel supply and gas test ports (see "Gas Connec�ons")
See "Pilot flame not staying lit"
See "Adjus�ng Primary Air Se�ng"
See "Ven�ng Configura�on"; adjust only if necessary
Check for approved high-wind termina�on cap
Check ven�ng configura�on is approved
Check for leaks in ven�ng system
See ra�ng label for details
This will help the fireplace establish dra� when freshly turned on
Massage silicone strips to fill in sliver gaps and voids
Ensure all hand knobs are �ght - ensure upper clamps are in correct slot loca�on
Check for dirt or par�cles s�cking to strips; use denatured alcohol to clean
Side glass may need adjustment (see "Inner Glass Installa�on")
Ensure top and bo�om glass corners are sealed with liquid silicone (not included)
Check for damaged fiberglass perimeter tape
Check for damaged or misalignment of pressure relief door gaskets
Check for missing or stripped screws
Check for warping in burner pla�orm (when installed)
Check for unse�led burner pla�orm (si�ng on a screw, liner clip, or weld build up)
This is normal
Check for piled up burner media covering air slots (vermiculite/glass media)
Troubleshooting
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