Continental CDVS500-N, CDVS500-P manual Trouble Shooting Guide, Symptom, Problem, Test Solution

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TROUBLE SHOOTING GUIDE

BEFORE ATTEMPTING TO TROUBLESHOOT, PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR REMOVED.

	SYMPTOM						PROBLEM		TEST SOLUTION
	Pilot will not light.		No spark at pilot burner					-	check if pilot can be lit by a match
								-	check that the wire is connected to the push button ignitor.
								-	check if the push button ignitor needs tightening.
								-	replace the wire if the wire insulation is broken or frayed.
								- replace the electrode if the ceramic insulator is cracked or broken.
								-	replace the push button ignitor.
				Spark gap is incorrect				- spark gap should be 0.150" to 0.175" (5/32" to 11/64" approx.)
								from the electrode tip and the pilot burner. To ensure proper
								electrode location, tighten securing nut (finger tight plus 1/4
								turn).
				No gas at the pilot burner				-	check that the manual valve is turned on.
								-	check the pilot orifice for blockage.
								-	replace the valve.
								-	call the gas distributor.
			Out of propane gas.					-	fill the tank.
Pilot goes out when				System is not correctly purged.				-	purge the gas line with the glass door open.
the gas knob is re-			Out of propane gas					-	fill the tank.
leased.
		Pilot flame is not large enough						-	turn up the pilot flame.
		Pilot flame is not engulfing the						-	turn up pilot flame.
		thermocouple.						-	replace pilot assembly.
			Thermocouple shorting.					-	loosen and tighten thermocouple.
								-	clean thermocouple and valve connection.
								-	replace thermocouple.
								-	replace valve.
			Faultly thermocouple.					-	replace.
		Faulty valve.						-	replace.
	Pilot burning; no gas					Main burner orifice is plugged.		-	remove stoppage in orifice.
	to main burner; gas
						Faulty thermopile.		-	replace.
	knob is on 'HI'; wall
						Faulty themostat or switch.		-	connect a jumper wire across the wall switch terminals; if
	switch / thermostat is							main burner lights, replace thermostat.
	on.
								-	disconnect the switch wires & connect a jumper wire across
								terminals 1 & 3; if the main burner lights, check the wires for
								defects and / or replace wires.
				Faulty valve.				Faulty valve.
Pilot goes out while							Gas piping is undersized.	-	turn on all gas appliances and see if pilot flame flutters,
standing; Main burner								diminishes or extinguishes, especially when main burner ig-
is in 'OFF' position.								nites. Monitor supply pressure.
								-	check if supply piping size is to code. Correct all undersized
								piping.
Main burner goes out;							Pilot flame is not large enough -		turn up pilot flame.
pilot stays on.							or not engulfing the thermopile. - replace pilot assembly.
							Thermopile shorting	-	clean thermopile and thermopile connection to valve.
					Remote wall switch wire is too - shorten wire to correct length or wire gauge.
					long, too much resistance in
					the system
							Faulty thermostat or switch	- replace

W415-0514 / 05.30.05