Standing Pilot Troubleshooting

Empire Comfort Systems DVD32FP3, 1 Standing Pilot Troubleshooting, Frequent pilot outage problem

With proper installation and maintenance, your new Direct Vent Gas Fireplace will provide years of trouble-free service. If you do experience a problem, refer to the Trouble Shooting Guide below. This guide will assist a qualiﬁed service person in the diagnosis

of problems and the corrective action to be taken.

1.Spark ignitor will not light pilot after repeated triggering of piezo ignitor button.

a.Defective ignitor (no spark electrode)

—Check for spark at electrode and pilot; if no spark and electrode wire is properly connected, replace ignitor.

b.No gas or low gas pressure.

—Check remote shut off valves from ﬁreplace. Usually there is a valve near the main. There can be more than one

(1) valve between the ﬁreplace and main.

—Low pressure can be caused by a variety of situations such as a bent line, too narrow diameter of pipe, or low line pressure. Consult with plumber or gas supplier.

c.No LP in tank.

—Check LP (propane) tank. Reﬁll tank.

2.Pilot will not stay lit after carefully following lighting instructions.

a.Defective thermocouple.

—Check that pilot ﬂame impinges on thermocouple. Clean and/or adjust pilot for maximum ﬂame impingement. —Ensure the thermocouple connection at the gas valve is fully inserted and tight (hand tight plus 1/4 turn). Faulty thermocouple if reading is below speciﬁed minimum of 15 millivolts.

—Disconnect the thermocouple from the valve, place one millivolt meter lead wire on the end of the thermocouple and the other millivolt meter lead wire on the thermocouple copper wire. Start the pilot and hold the valve knob in. If the millivolt reading is less than 15 millivolt, replace the thermocouple.

b.Defective valve.

—If thermocouple is producing more than 15 millivolts, replace faulty valve.

3.Pilot burning, no gas to burner, valve knob “ON”, REMOTE/ OFF/ON switch “ON.”

a.REMOTE/OFF/ON switch, wall switch, remote control or wires defective.

—Check REMOTE/OFF/ON switch and wires for proper connections. Place jumper wires across terminal at switch. If burner comes on, replace defective switch. If OK, place jumper wires across switch wires at gas valve-if burner comes on, wires are faulty or connections are bad.

b.Thermopile may not be generating sufﬁcient millivolts. —If the pilot ﬂame is not close enough physically to the thermopile, adjust the pilot ﬂame.

—Be sure the wire connections from the thermopile at the gas valve terminals are tight and the thermopile is fully inserted into the pilot bracket.

—Check the thermopile with a millivolt meter. Take the reading at TH-TP & TP terminals of the gas valve. The meter should read 350 millivolts minimum, while holding the valve knob depressed in the PILOT position, with the pilot lit, and the REMOTE/OFF/ON switch in the OFF position. Replace the faulty thermopile if the reading is below the speciﬁed minimum.

—With the pilot in the ON position, disconnect the thermopile leads from the valve. Take a reading at the thermopile leads. The reading should be 350 millivolts minimum. Replace the thermopile if the reading is below the minimum.

c.Defective valve.

—Turn valve knob to ON. Place REMOTE/OFF/ON switch to ON. Check with millivolt meter at thermopile terminals. Millivolt meter should read greater than 200 millivolts. If the reading is okay and the main burner does not ignite, replace the gas valve.

d.Plugged main burner oriﬁce.

—Check main burner oriﬁce for blockage and remove.

4.Frequent pilot outage problem.

a.Pilot ﬂame may be too high or too low, or blowing (high), causing pilot safety to drop out.

—Cleanandadjustﬂameformaximumﬂameimpingementon the thermocouple. Follow lighting instructions carefully.

5.The pilot and main burner extinguish while in operation.

a.No LP (Propane) in tank.

Check LP (Propane) tank. Reﬁll fuel tank.

b.Inner vent pipe leaking exhaust gases back into system —Check for leaks.

c.Glass too loose, gasket leaks in corners after usage. —Be certain glass assembly is installed correctly.

d.Horizontal vent improperly pitched.

—The horizontal vent cap should slope down only enough to prevent any water from entering the unit. The maximum downwards slope is 1/4 inch.

e.Bad thermopile or thermocouple. —Replace if necessary.

f.Improper vent cap installation.

—Check for proper installation and freedom from debris or blockage.

6.Glass soots.

a.Flame impingement on logs.

—Check and adjust log position. Contact Empire Comfort Systems, Inc.

b.Debris around throat of main burner.

—Inspect the opening at the base of the main burner. It is imperative that NO material be placed in this opening.

7.Flame burns blue and lifts off main burner.

a.Insufﬁcient oxygen being supplied.

—Check to make sure vent cap is installed properly and free of debris. Make sure that vent system joints are tight and have no leaks.

—Check to make sure that no material has been placed at the main burner base.

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2, 1, DVD32FP3, 3)(N specifications

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