Desa CGCDV42NR, CGCDV42PR, (V)VC42P Troubleshooting, Observed Problem Possible Cause Remedy

Troubleshooting

WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

CAUTION: Never use a wire, needle or similar object to clean pilot. This can damage pilot unit.

Note: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM	POSSIBLE CAUSE				REMEDY
When ignitor button is pressed,	1. Ignitor electrode not con-				1.	Reconnect ignitor cable
there is no spark at pilot	2.	nected to ignitor cable			2.	Free ignitor cable if pinched
		Ignitor cable pinched or wet
						by any metal or tubing. Keep
	3.	Piezo ignitor nut is loose			3.	ignitor cable dry
						Tighten nut holding piezo
						ignitor. Nut is located behind
	4.	Broken ignitor cable			4.	the mounting bracket
						Replace ignitor cable
	5.	Bad piezo ignitor			5.	Replace piezo ignitor
	6.	Ignitor electrode broken			6.	Replace pilot assembly
	7.	Ignitor electrode positioned			7.	Tighten electrode. Replace if
		wrong				necessary
When ignitor button is pressed,	1. Gas supply		turned	off or	1.	Turn on gas supply or open
there is spark at pilot but no		equipment	shutoff	valve		equipment shutoff valve
ignition	2.	closed			2.	Turn gas control knob to
		Gas control knob not in PI-
	3.	LOT position			3.	PILOT position
		Gas control knob not pressed				Press in gas control knob
	4.	in while in PILOT position			4.	while in PILOT position
		Air in gas lines when in-				Continue holding down con-
		stalled				trol knob. Repeat igniting op-
	5. Depleted gas supply (propane/					eration until air is removed
					5. Contact local propane/LP gas
	6.	LP models only)			6.	company	Cleaning
		Pilot is clogged				Clean pilot (see
						and Maintenance,	page 31)
	7.	Gas regulator setting is not			7.	or replace pilot assembly
						Replace gas regulator
		correct

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