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Trouble shooting – Enviro C-11366 User Manual

Page 28

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Trouble Shooting

Problem

Possible Cause

Solution

The main burner does not

ignite when called for.

The gas valve may not be on.

• Check that the gas control knob is in the “ON” position.

Thermostat is not calling for

heat.

• Adjust the thermostat several degrees above ambient

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

after repeatedly pressing the

spark ignitor.

Defective piezo ignitor.

• Check connections to ignitor.

• If ignitor connections are good but no spark, replace

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

circuit.

• Check for proper connection of the thermocouple to the

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

knob is depressed).

• Bleed line.

• Check gas line pressure.

• Contact dealer.

Burners will not remain lit.

Problem with thermopile

circuit.

• Check gas line pressure .

• 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

flue gases

• Check to see if terminal is on correctly.

• 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

sooting

Flame impingement

• Check log positioning.

• 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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