Enviro C-11500 owner manual Trouble Shooting, Problem Possible Cause Solution

Trouble Shooting

Problem	Possible Cause	Solution
The main burner does not	The gas valve may not be on.	• Check that the gas control knob is in the “ON” position.
ignite when called for.
	Thermostat is not calling for	• Adjust the thermostat several degrees above ambient
	heat.	temperature.
	Problem with gas valve.	• Use a DC voltmeter to measure the voltage across the
		TPTH and TP terminals. Main operator voltage: Open
		circuit ≥ 325mV Closed circuit ≥ 100mV
		• If voltage is not present, check the control circuit for
		proper operation.
		• If proper control system voltage is present, replace the
		gas control.
Spark will not light the pilot	Defective piezo ignitor.	• Check connections to ignitor.
after repeatedly pressing the		• If ignitor connections are good but no spark, replace
spark ignitor.		ignitor.
	Broken spark electrode.	• Check for broken ceramic insulation, replace electrode if
		broken.
	Misaligned spark electrode.	• If spark is not arcing from electrode to pilot, loosen the
		screws on the pilot base adjust and tighten.
Pilot will not remain lit.	Problem with thermocouple	• Check for proper connection of the thermocouple to the
	circuit.	rear of the valve. If loose, fully tighten.
		• Check pilot for full flame impingement around
		thermocouple. If flame is too small, check gas pressure,
		adjust pilot rate screw, check pilot head for damage.
		• Check thermocouple voltage at valve. It must be greater
		than 5 mV. If low, replace thermocouple.
	Air in gas line (pilot dies while	• Bleed line.
	knob is depressed).	• Check gas line pressure.
		• Contact dealer.
Burners will not remain lit.	Problem with thermopile	• Check gas line pressure .
	circuit.	• Check for flame impingement on thermopile. If low, see
		“Pilot will not remain lit”.
		• Check thermopile for minimum of 300 mV when burner is
		switched on.
		• Check wiring to thermostat for breaks.
Flame lifting	Leak in vent pipe	• Check for leaks in vent connections.
	Improper vent configuration	• Check vent configuration with manual.
	Terminal may be recirculating	• Check to see if terminal is on correctly.
	flue gases	• May need to install high wind termination cap.
		• Contact dealer.
Glass fogs up	Normal Condition: after the appliance warms up the glass will clear.
	**Due to additives in gas, glass may get hazy during operation** Clean as needed.
Blue Flames	Normal during start up: flames will yellow as the fireplace heats up.
Flames are burning “dirty” or	Flame impingement	• Check log positioning.
sooting		• Increase primary air by opening the venturi shutter and/
		or by opening the vent restrictor.
		See also “Burners will not remain lit.”
Remote control doesn’t work	Problem with the remote	• One or more of the batteries are dead. See remote
		control instructions.
	Problem with fireplace	• The on/off switch is turned to OFF.
		• The gas control valve is turned to PILOT or OFF.
		• The pilot has gone out.

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