Desa VGC30NR/PR Continued, Observed Problem, Possible Cause, Remedy, and Maintenance, page

Troubleshooting

Continued

OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY
Slight smoke or odor during	1.	Residues from manufacturing	1.	Problem will stop after a few
initial operation		processes and logs curing		hours of operation
Heater produces a whistling	1.	Turning control knob to HI	1.	Turn control knob to LO
noise when burners are lit		position when burners are		position and let warm up for
	2.	cold	2.	a minute
		Air in gas line		Operate burners until air is
				removed from line. Have gas
				line checked by local natural
	3.	Air passageways on heater	3.	or propane/LP gas company
				Observe minimum installa-
		blocked		tion clearances (see pages 9
	4.	Dirty or partially clogged	4.	through 11)
				Clean burners (see Cleaning
		burner orifice(s)		and Maintenance, page 23)
				or replace burner orifice(s)
White powder residue forming	1.	When heated, vapors from	1.	Turn heater off when using
within burner box or on adjacent		furniture polish, wax, carpet		furniture polish, wax, carpet
walls or furniture		cleaners, etc. may turn into		cleaners or similar products
		white powder residue
Moisture/condensation noticed	1.	Not enough combustion/ven-	1.	Refer to Air for Combustion
on windows		tilation air		and Ventilation requirements
				(page 6)
Remote does not function (Re-	1.	Battery is not installed. Bat-	1.	Replace 9-volt batteries in re-
mote-Ready Models Only)		tery power is low		ceiver and hand-held remote
Heater produces a clicking/tick-	1.	Metal expanding while heating	1.	This is normal with most heat-
ing noise just after burners are		or contracting while cooling		ers. If noise is excessive, contact
lit or shut off				qualified service person

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