Desa CGD3018P installation manual Trouble- Shooting, Continued, Burner does light

TROUBLE- SHOOTING

Continued

OBSERVED	POSSIBLE
PROBLEM	CAUSE		REMEDY
Burner does light	1.	Burner orifice clogged	1.	Clean burner (see
after ODS/pilot is lit				Cleaning and Mainte-
				nance, page 23) or
	2.	Inlet gas pressure is		replace burner orifice
			2.	Contact local propane
		too low		gas company
	3.	Burner orifice diameter	3.	Replace burner orifice
		is too small
Delayed ignition of	1.	Manifold pressure is	1.	Contact local natural gas
burner		too low		company
	2.	Burner orifice clogged	2.	Clean burner (see
				Cleaning and Mainte-
				nance, page 23) or
				replace burner orifice
Burner backfiring	1.	Burner orifice is	1.	Clean burner (see
during combustion		clogged or damaged		Cleaning and Mainte-
				nance, page 23) or
	2.	Damaged burner		replace burner orifice
			2.	Replace damaged burner
	3.	Gas regulator defective	3.	Replace gas regulator
Slight smoke or	1. Not enough air		1.	Check burner for dirt
odor during initial				and debris. If found,
operation				clean burner (see
				Cleaning and Mainte-
	2.	Gas regulator defective		nance, page 23)
			2.	Replace gas regulator
	3.	Residues from manu-	3.	Problem will stop after a
		facturing processes		few hours of operation
		and logs curing
Moisture/condensa-	1. Not enough combus-		1.	Refer to Air for Com-
tion noticed on		tion/ventilation air		bustion and Ventilation
windows				requirements (page 5)
Heater produces a	1. Turning control knob		1.	Turn control knob to LO
whistling noise		to HI position when		position and let warm up
when 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 natural gas
	3.	Air passageways on		company
			3.	Observe minimum
		heater blocked		installation clearances
	4.	Dirty or partially		(see pages 9-12)
			4.	Clean burner (see
		clogged burner orifice		Cleaning and Maintenance,
				page 23) or replace
				burner orifice

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