Desa GWN20TA, GWP20TA, WMP20A Troubleshooting, Continued, Observed Problem, Possible Cause, Remedy

TROUBLESHOOTING

Continued

OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY
Yellow flame during burner	1.	Not enough air	1.	Check burner for dirt and
combustion				debris. If found, clean
				burner (see Cleaning and
				Maintenance, page 18)
	2.	Gas regulator defective	2.	Replace gas regulator
	3.	Clogged or dirty burner	3.	Clean burner (see Cleaning
				and Maintenance, page 18)
Slight smoke or odor during	1.	Residues from manufactur-	1.	Problem will stop after a few
initial operation		ing processes		hours of operation
Heater produces a whistling	1.	Turning control knob to 5	1.	Turn control knob to 1 posi-
noise when burner is lit		position when burner is		tion and let warm up for a
		cold		minute
	2.	Air in gas line	2.	Operate burner until air is
				removed from line. Have
				gas line checked by local
				natural or propane/LP gas
				company
	3.	Air passageways on heater	3.	Observe minimum installa-
		blocked		tion clearances (see Figure
				4, page 8)
	4.	Dirty or partially clogged	4.	Clean burner (see Cleaning
		burner orifice		and Maintenance, page 18)
				or replace burner orifice
White powder residue forming	1.	When heated, vapors from	1.	Turn heater off when us-
within burner box or on adja-		furniture polish, wax, carpet		ing furniture polish, wax,
cent walls or furniture		cleaners, etc. may turn into		carpet cleaners or similar
		white powder residue		products
Heater produces a clicking/	1.	Metal expanding while heat-	1.	This is normal with most
ticking noise just after burner		ing or contracting while		heaters. If noise is exces-
is lit or shut off		cooling		sive, contact qualified ser-
				vice person

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