Desa SMA18VNA Gas regulator defective, Control valve defective Check manifold pressure, Incorrect

TROUBLESHOOTING

Continued

OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY
Orange flame in burner during	1.	Not enough air	1.	Check burner(s) for dirt
burner combustion				and debris. If found, clean
				burner(s) (see Cleaning and
	2.	Gas regulator defective		Maintenance, page 21)
			2.	Replace gas regulator
	3.	Control valve defective	3.	Check manifold pressure
				on control valve. Replace if
				incorrect
Slight smoke or odor during initial	1.	Residues from manufacturing	1.	Problem will stop after a few
operation		processes and logs curing		hours of operation
Heater produces a whistling noise	1.	Turning control knob to HI	1.	Turn control knob to LO
when burner is lit		position when burner is cold		position and let warm up for
	2.	Air in gas line		a minute
			2.	Operate burner until air is
				removed from line. Have gas
				line checked by local natural
	3.	Air passageways on heater		or propane/LP gas company
			3.	Observe minimum instal-
		blocked		lation clearances (see pages 9
	4.	Dirty or partially clogged		through 12)
			4.	Clean burner (see Cleaning
		burner orifice(s)		and Maintenance, page 21)
				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)
Heater produces a clicking/tick-	1.	Metal expanding while heating	1.	This is common with most heat-
ing noise just after burner is lit		or contracting while cooling		ers. If noise is excessive, contact
or shut off				qualified service person
Remotedoesnotfunction(ifusing	1.	Battery is not installed. Bat-	1.	Replace batteries in receiver
remote control)		tery power is low		and hand-held remote control

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