Desa RFP28TB installation manual TROUBLE- Shooting

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TROUBLE- SHOOTING

Continued

OBSERVED	POSSIBLE
PROBLEM	CAUSE		REMEDY
Burner does not light	1.	Burner orifice is	1.	Clean burner (see
after ODS/pilot is lit		clogged		Cleaning and Mainte-
				nance, page 28) or
				replace burner orifice
	2.	Burner orifice diameter	2.	Replace burner orifice
		is too small
	3.	Inlet gas pressure is	3.	Contact local propane/
		too low		LP gas company
Delayed ignition of	1.	Manifold pressure is	1.	Contact local propane/
burner		too low		LP gas company
	2.	Burner orifice is	2.	Clean burner (see
		clogged		Cleaning and Mainte-
				nance, page 28) or
				replace burner orifice
Burner backfiring	1.	Burner orifice is	1.	Clean burner (see
during combustion		clogged or damaged		Cleaning and Mainte-
				nance, page 28) or
				replace burner orifice
	2.	Burner damaged	2.	Replace burner
	3.	Gas regulator defective	3.	Replace gas regulator
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 28)
	2.	Gas regulator defective	2.	Replace gas regulator
Slight smoke or odor	1. Residues from manu-		1.	Problem will stop after a
during initial opera-		facturing processes		few hours of operation
tion
Heater produces a	1. Turning control knob		1.	Turn control knob to LO
whistling noise when		to HI position when		position and let warm up
burner is lit		burner is cold		for a minute
	2.	Air in gas line	2.	Operate burner until air
				is removed from line.
				Have gas line checked
				by local propane/LP gas
				company
	3.	Air passageways on	3.	Observe minimum
		heater blocked		installation clearances
				(see Figure 10, page 13)
	4.	Dirty or partially	4.	Clean burner (see
		clogged burner orifice		Cleaning and Mainte-
				nance, page 28) or
				replace burner orifice

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