Desa GVR50BPA, GVR65PA, GVR50PA, GVR65BPA, GVR35PA installation manual See Changing Burner Orifice

TROUBLE- SHOOTING

Continued

OBSERVED	POSSIBLE
PROBLEM	CAUSE		REMEDY
Delayed ignition of	1.	Manifold pressure is	1.	Contact local propane
burner.		too low.		gas company.
	2.	Burner orifice is	2.	Clean burner (see
		clogged.		Cleaning and Mainte-
				nance, page 26) or
				replace burner orifice
				(see Changing Burner
				Orifice, page 34).
Burner backfiring	1.	Burner orifice is	1.	Clean burner (see
during combustion.		clogged or damaged.		Cleaning and Mainte-
				nance, page 26) or
				replace burner orifice
				(see Changing Burner
				Orifice, page 34).
	2.	Burner damaged.	2.	Replace burner.
	3.	Gas regulator defective.	3.	Replace control valve.
	4.	Delayed ignition.	4.	See above.
Yellow flame during	1.	Not enough air.	1.	Check burner for dirt
burner combustion				and debris. If found,
				clean burner (see
				Cleaning and Mainte-
				nance, page 26).
	2.	Gas regulator defective.	2.	Replace control valve.
Flame lifting during	1.	Burner orifice is	1.	Clean burner (see
combustion.		clogged or damaged.		Cleaning and Mainte-
				nance, page 26) or
				replace burner orifice
				(see Changing Burner
				Orifice, page 34).
	2.	Manifold pressure too	2.	Replace control valve
		high/defective gas		(see Removing Control
		regulator		Valve and Burner Tube,
				page 32).
Slight smoke or odor	1. Residues from manu-		1.	Problem will stop after a
during initial opera-		facturing processes.		few hours of operation.
tion.

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