Monessen Hearth HBDV400, HBDV300 manual Troubleshooting

TROUBLESHOOTING

STANDING PILOT IGNITION

SYMPTOM		POSSIBLE CAUSE		ACTION
4.	Frequent pilot outage	A. Pilot flame may be too high or		A. Clean and adjust the pilot flame for maximum flame impinge-
	problem.		too low, causing pilot safety	ment on thermocouple.
			to drop out
5. The pilot and main		A. Inner vent pipe leaking		A. Check for flue product leak. Replace defective pipe section.
	burner extinguish		exhaust gases back into
	while in operation		system
		B.	Horizontal vent improperly	B. Check horizontal-venting piping is running upward 1/4" per foot.
			pitched	Do not run the pipe level or downward.
		C.	Improper vent cap installation	C. Check for proper installation and freedom from debris or block-
				age.
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 and		A. Insufficient oxygen being		A. Ensure that the vent cap is installed properly and free of debris.
	lifts off burner (ghost-		supplied	Ensure that the vent system joints are tight and have no leaks.
	ing)			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.

42 54D5031