Troubleshooting, Accessories

TROUBLESHOOTING ACCESSORIES

TROUBLESHOOTING

Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com.

WARNING: Never attempt to service heater while it is connected to propane supply, operating, or hot. Severe burns can occur.

SYMPTOM	POSSIBLE CAUSE		REMEDY
Burner fails to light	1.	Propane supply valve closed on propane	1.	Open propane supply valve slowly
		tank(s)
	2.	Excess-flow check valve closed	2.	Close propane supply valve on propane
				tank and reopen slowly
	4.	Blockage in burner orifice	4.	Replace burner orifice
	5.	Piezo ignition system not sparking	5.	Assure ignitor electrode gap is 5.0 mm
				(.195 in). Check wire lead for damage
				Replace piezo ignitor and/or ignitor elec-
				trode as necessary. Do not bend elec-
				trode, this may cause breakage

Burner lights but goes out when automatic	1.	Not enough warm-up time	1.	Relight, hold automatic control valve
control valve button is released				button in 45 seconds
	2.	Low gas pressure	2.	Check propane tank(s) for proper gas
				supply
	3.	Thermocouple loose or needs to be	3.	Tighten connection or replace ther-
		replaced		mocouple
	4.	Automatic control valve needs to be	4.	Replace automatic control valve
		replaced

Burn rate is low	1.	Main burner valve not fully open	1.	Fully open main burner valve by push-
				ing in control knob and turning counter-
				clockwise towards HIGH position until
				it stops
	2.	Plugged gas orifices	2.	Replace gas orifice
	3.	Low gas pressure	3.	Check gas supply; check regulator output
	4.	Low fuel supply	4.	Consult propane gas supplier

ACCESSORIES

Purchase accessories and parts from your nearest dealer or service center. If your dealer or service center can not supply an accessory or part, call DESA Industries' at 1-905-826-8010. You can also write to the address listed on the back page of this manual.

DESA Industries 2220 Argentia Road Unit #4 Mississauga, ON L5N2K7

905-826-8010