Desa RCLP50-F Troubleshooting, Observed Fault, Possible Cause, Remedy, tion and Operation, page

TROUBLESHOOTING

WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.

OBSERVED FAULT	POSSIBLE CAUSE		REMEDY
Fan does not turn when heater is	1.	No electrical power to heater	1.	Check voltage to electrical
plugged in				outlet. If voltage is good,
				check heater power cord for
				breaks
	2.	Fan hitting inside of heater	2.	Adjust motor/fan guard to
		shell		keep fan from hitting inside of
				heater shell. Bend fan guard if
				necessary
	3.	Fan blades bent	3.	Replace fan. See Fan, page 8
	4.	Defective motor	4.	Replace motor. See Motor,
				page 7
Heater will not ignite	1.	User did not follow installa-	1.	Repeat installation and opera-
		tion or operation instructions		tion instructions. See Installa-
		properly		tion and Operation, page 5
	2.	No spark at ignitor. To test for	2.	A) Check ignitor wire. Tighten
		spark, follow step 9 under Ig-		or reattach loose ignitor wire.
		nitor, page 8. If you see spark		See Figure 14, page 8 for
		at ignitor, have heater serviced		ignitor wire location
		by qualified service person. If		B) Set gap between ignitor
		no spark seen:		electrode and target plate to
		A) Loose or disconnected		0.17" (4.3 mm)
		ignitor wire		C) Tighten nut holding piezo
		B) Wrong spark gap		ignitor to base of heater
		C) Piezo ignitor loose		D) Replace ignitor electrode.
		D) Bad ignitor electrode		See Ignitor, page 8
Heater shuts down while run-	1.	High surrounding air tem-	1.	This can happen when running
ning		perature causing thermal limit		heater in temperatures above
		device to shut down heater		85° F (29° C). Run heater in
	2.	Restricted air flow		cooler temperatures
			2.	Check heater inlet and outlet.
	3.	Damaged fan		Remove any obstructions
			3.	Replace fan. See Fan, page 8
	4.	Excessive dust or debris in	4.	Clean heater. See Mainte-
		surrounding area		nance, page 6

WARNING:Useonlyinareas free of high dust content.

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