Monessen Hearth HDV500NV/PV manual Troubleshooting

HDV Series Direct Vent Gas Fireplace				TROUBLESHOOTING
	Standing Pilot Ignition
	SYMPTOM		POSSIBLE CAUSE	ACTION
4.		Frequent pilot	A. Pilot flame may be too high	A. Clean and adjust the pilot flame for maximum flame
		outage problem.	or too low, causing pilot	impingement on thermocouple.
			safety to drop out
5. The pilot and main			A. Inner vent pipe leaking	A. Check for flue product leak. Replace defective pipe
		burner extinguish	exhaust gases back into	section.
		while in operation	system
			B. Horizontal vent improperly	B. Check horizontal-venting piping is running upward 1/4"
			pitched	per foot. Do not run the pipe level or downward.
			C. Improper vent cap installa- C. Check for proper installation and freedom from debris
			tion	or blockage.
6.		Glass Soots	A. Flame impingement on logs	A. Install log set per the instructions
				Inspect the injector and air intake area. Make sure
				this area does not have any blockage from debris and
				clean.
				Check gas supply.
7.		Flame burn blue	A. Insufficient oxygen being	A. Ensure that the vent cap is installed properly and free
		and lifts off burner	supplied	of debris. Ensure that the vent system joints are tight
		(ghosting)		and have no leaks. Ensure that no debris has been
				blocking the inner air intake at the bottom back of the
				combustion chamber. Ensure that the glass is properly
				secure and latch.

50 56D3048