Desa (V)VC42N SERIES Brick Liner Models BL42DASA and, Troubleshooting, Continued, Possible Cause

TROUBLESHOOTING

29

TROUBLESHOOTING

Continued

OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY
Burner does not light after pilot is lit	1.	Burner orifice clogged	1.	Clean burner (see Cleaning and Mainte-
				nance, page 27) or replace burner orifice
	2.	Inlet gas pressure is too low	2.	Contact local propane/LP or natural gas
				company
	3.	Thermopile leads disconnected or im-	3.	Reconnect leads to TP & TPTH terminal
		properly connected		on control valve
	4.	Thermopile is defective	4.	Replace thermopile
Delayed ignition burner	1.	Manifold pressure is too low	1.	Contact local propane/LP or natural gas
				company
	2.	Burner porting or orifice clogged	2.	Clean burner (see Cleaning and Mainte-
				nance, page 27) or replace burner orifice
Burner backfiring during combustion	1.	Burner orifice is clogged or damaged	1.	Clean burner (see Cleaning and Mainte-
				nance, page 27) or replace burner orifice
	2.	Damaged burner	2.	Replace damaged burner
	3.	Gas regulator defective	3.	Replace gas control
Slight smoke or odor during initial opera-	1.	Residues from manufacturing processes	1.	Problem will stop after a few hours of
tion		and logs curing		operation
Heater produces a whistling noise when	1.	Turning gas control knob to HI position	1.	Turn gas control knob to LO position
burner is lit		when burner is cold		and let warm up 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 or natural gas company
	3.	Dirty or partially clogged burner ori-	3.	Clean burner (see Cleaning and Main-
		fice		tenance, page 27) or replace burner
				orifice
Glass soots	1.	Debris around burner air mixer	1.	Inspect the opening at the base of the
				burner by removing log/grate assem-
				bly to see that it is NOT packed with
				any type of material [see Installing
				Brick Liner Models BL42DA(SA) and
				BL42DHA(SA)] for log/grate removal
	2.	Improper vent configuration	2.	Check venting configuration specifica-
				tions
Fireplace produces a clicking/ticking noise	1.	Metal expanding while heating or con-	1.	This is common. If noise is excessive,
just after burners are lit or shut off		tracting while cooling		contact qualified service person
Remote does not function	1.	Battery is not installed or battery power	1.	Replace 9-volt batteries in receiver and
		is low		remote control

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