Quadra-Fire QFP38-LP Troubleshooting continued, Pilot lights but, A shorted or loose, main burner

Troubleshooting (continued)

3.	Pilot lights but	a.	A shorted or loose	Verify all connections to wiring diagram in manual. Verify connections underneath pilot
	continues to		connection in sensor rod.	assembly are tight. Verify connections are not grounding out to metal chassis, pilot
	spark, and main			burner, pilot bracket/enclosure or screen if present, or any other metal object.
	burner will not
		b. Poor flame rectification or		Verify flame is engulfing sensor rod. If the pilot assembly does not have a ground
	ignite. (If the
			contaminated sensor rod.	strap, consider installing one to increase flame rectification. Verify correct pilot orifice
	pilot continues
				is installed and inlet gas specifications are met. Flame carries rectification current, not
	to spark after the
				the gas. If flame lifts from pilot hood, the circuit is broken. A wrong orifice or too high an
	pilot flame has
				inlet pressure can cause pilot flame to lift. The sensor rod may be contaminated. Clean
	been lit, flame
				sensor rod with emery cloth.
	rectification has
	not occurred.)
		c. Module is not grounded.		Verify that module is securely grounded to metal chassis of appliance. Verify that the
				wire harness is firmly connected to module.
		d. Damaged pilot assembly or		Verify that ceramic insulator around the sensor rod is not cracked, damaged, or loose.
			dirty sensor rod.	Verify connection from sensor rod to white sensor wire. Clean sensor rod with emery
				cloth to remove any contaminants that may have accumulated on sensor rod. Verify
				continuity with a multimeter with ohms set at lowest range.
		e.	Faulty module.	Turn ON/OFF rocker switch or wall switch to OFF position. Remove ignitor wire “I”
				from module. Place ON/OFF rocker switch or wall switch in ON position. Hold ground
				wire about 3/16 in. away from “I” terminal on module. If there is no spark at “I” terminal,
				module must be replaced. If there is a spark at “I” terminal, module is fine. Inspect pilot
				assembly for shorted sdparker wire or cracked insulator around electrode.
4.	Frequent pilot	a.	Pilot flame may be too high	Clean and adjust the pilot flame for maximum flame impingement on sensor. Follow
	outage problem.		or low, or blowing (high),	lighting instructions carefully.
			causing pilot safety to drop
			out.
5.	The pilot and	a.	No LP in tank.	Check the LP (propane) tank. Refill the fuel tank.
	main burner
		b. Inner vent pipt leaking		Check for gas leaks.
	extinguish while
			exhaust gases back into the
	in operation.
			system.
		c.	Horizontal vent improperly	The horizontal vent cap should slope down only enough to prevent any water from
			pitched.	entering the unit. The maximum downwards slope is 1/4 in.
		d. Glass too loose and air tight		Tighten the corner.
			packet leaks in corners after
			usage.
		e.	Improper vent cap	Check for proper installation and freedom from debris or blockage.
			installation.
6.	Glass soots.	a.	Flame impingement.	Adjust the log set so that the flame does not excessively impinge on it.
		b.	Improper venturi setting.	Adjust the air shutter at the base of the burner.
		c.	Debris around venturi.	Inspect the opening at the base of the burner. NO MATERIAL SHOULD BE PLACED IN
				THIS OPENING.
7.	Flame burns	a.	Insufficient oxygen being	Ensure that the vent cap is installed properly and free of debris, and that the vent system
	blue and lifts off		supplied.	joints are tight and have no leaks; that no debris has been placed at the base of, or in
	burner.			the rea of the air holes in the center of the base pan beneath the burner; that the glass is
				tightened properly on the unit, particularly on top corners.
8.	No reaction to	a.	No power supply connected	Verify fan control module is plugged in to box, 3-pin connector is seated.
	command.		to the board, false contact,
			broken wiring.
		b. The board could be locked.		A maximum number of failed ignitions or flame restorations has been reached. Remove
				any possible blocking conditions.
				The board must be reset from Lockout.

Quadra-Fire • QFP38 Series • 4061-300 Rev i • 9/09 65