Enviro EG31-118 owner manual Trouble Shooting, Problem Possible Cause Solution

Trouble Shooting

Problem	Possible Cause	Solution
The main burner	The gas valve may not be on.	• Check that the gas control knob is in the “ON” position.
does not ignite
	Thermostat is not calling for	• Adjust the thermostat several degrees above ambient temperature.
when called for.	heat.
	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	Defective piezo ignitor.	• Check connections to ignitor.
light the pilot		• If ignitor connections are good but no spark, replace ignitor.
after repeatedly
	Broken spark electrode.	• Check for broken ceramic insulation, replace electrode if broken.
pressing the
	Misaligned spark electrode.	• If spark is not arcing from electrode to pilot, loosen the screws on the
spark ignitor.
		pilot base adjust and tighten.
Pilot will not	Problem with thermocouple	• Check for proper connection of the thermocouple to the rear of the
remain lit.	circuit.	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	Problem with thermopile	• Check gas line pressure .
remain lit.	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.
		BV ONLY: Check for spillage at draft hood that may trip spill switch
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	Flame impingement	• Check log positioning.
burning “dirty” or		• Increase primary air by opening the venturi shutter and/or by
sooting		opening the vent restrictor.
		See also “Burners will not remain lit.”
Remote control	Problem with the remote	• One or more of the batteries are dead. See remote control
doesn’t work		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.
BV ONLY:	• Air tight house.	• Supply make up air to the unit.
Insufficient air	• A vacuum in room due to
for combustion	other air-moving device.

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