Desa GVR65PA, GVR50PA Trouble- Shooting, Continued, Observed, Possible, Problem, Cause, Remedy

30

TROUBLE- SHOOTING

Continued

OBSERVED	POSSIBLE
PROBLEM	CAUSE		REMEDY
Burner fails to	1.	Pilot flame not lit.	1.	Light pilot burner (see
respond to thermo-				Lighting Instructions,
stat.				page 21).
	2.	Pilot flame not prop-	2.	Pilot flame needs
		erly heating end of		adjusting. Contact a
		thermocouple.		qualified service person.
	3.	Pilot burner orifice	3.	Clean pilot burner (see
		clogged or damaged.		Cleaning and Mainte-
				nance, page 26).
	4.	Control valve defec-	4.	Replace control valve.
		tive.
	5.	Temperature at ther-
		mostat bulb satisfied.
Heater produces a	1.	Air in gas line.	1.	Operate burner until air
whistling noise when				is removed from line.
burner is lit.				Have gas line checked
				by local propane gas
				company.
	2.	Air passageways on	2.	Observe minimum
		heater blocked.		installation clearances
				(see Figure 3, page 7).
	3.	Dirty or partially	3.	Clean burner (see
		clogged burner orifice.		Cleaning and Mainte-
				nance, page 26) or
				replace burner orifice
				(see Changing Burner
				Orifice, page 34).
Heater produces a	1. Metal expanding while		1.	This is common with
clicking/ticking noise		heating or contracting		most heaters. If noise is
just after burner is lit		while cooling.		excessive, contact
or shut off.				qualified service person.

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