Desa VMH10TPA installation manual Pane/LP gas company

OWNER’S MANUAL

TROUBLESHOOTING

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OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY
Burner does not light after ODS/pilot is lit	1.	Burner orifice is clogged	1.	Clean burner (see Cleaning and Mainte-
				nance, page 23) or replace burner orifice
	2.	Burner orifice diameter is too small	2.	Replace burner orifice
	3.	Inlet gas pressure is too low	3.	Contact local propane/LP gas company
Delayed ignition of burner	1.	Manifold pressure is too low	1.	Contact local propane/LP gas company
	2.	Burner orifice is clogged	2.	Clean burner (see Cleaning and Mainte-
				nance, page 23) or replace burner orifice
Burner backfiring during combustion	1.	Burner orifice is clogged or damaged	1.	Clean burner (see Cleaning and Mainte-
				nance, page 23) or replace burner orifice
	2.	Burner damaged	2.	Replace burner pressure
	3.	Low inlet gas pressure	3.	Contact local propane/LP gas company
	4.	Gas regulator defective	4.	Replace gas regulator
Slight smoke or odor during initial operation	1.	Residues from manufacturing processes	1.	Problem will stop after a few hours of
				operation
Fireplace produces a whistling noise when	1.	Air in gas line	1.	Operate burner until air is removed from
burner is lit				line. Have gas line checked by local pro-
				pane/LP gas company
	2.	Air passageways on fireplace blocked	2. Observe minimum installation clearances
				(see pages 8 through 10)
	3.	Dirty or partially clogged burner orifice	3.	Clean burner (see Cleaning and Mainte-
				nance, page 23) or replace burner orifice

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products

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