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Quadra-Fire • QVI-35FB-S • 2178-900 Rev. B • 12/08 35
Troubleshooting (continued)
Symptom Possible Cause Corrective Action
3. (Continued) c. Defective valve. Turn the valve knob to the ON position. Place the
ON/OFF switch in the ON position. Check the millivolt
meter a the thermopile terminals. The millivolt meter
should read greater than 125mV. If the reading is ac-
ceptable, and if the burner does not come on, replace
the gas valve.
d. Plugged burner orifi ce. Check the burner orifi ce for stoppage. Remove stop-
page.
e. Wall switch or wires are defective. Follow the corrective action in Symptom and Pos-
sible Cause 1.a above. Check the switch and wiring.
Replace where defective.
4. Frequent pilot outage
problem.
a. Pilot fl ame may be too high or too low, or blow-
ing out (high pressure), causing pilot safety to
drop out.
Clean thermocouple and adjust the pilot fl ame for
proper fl ame impingement. Follow lighting instructions
carefully.
5. The pilot and main
burner extinguish
while in operation.
a. No LP in tank. Check the LP (propane) tank. Refi ll the fuel tank.
b. Improper gas inlet pressure. Verify with manometer. NG should read 5-14 inches
w.c. LP should read 10-14 inches w.c.
c. Inner vent pipe leaking exhaust gases back into
the system.
Check venting system for damage. Replace/repair
improperly assembled pipe sections.
d. Glass installed improperly. Check to ensure glass is installed properly. Replace
glass panel assembly.
e. Defective thermopile or thermocouple. Replace pilot if necessary.
f. Improper vent cap installation. Check for proper installation and freedom from debris
or blockage.
6. Glass soots. a. Flame impingement. Adjust the log set so that the fl ame does not exces-
sively impinge on it. Refer to log instructions.
b. Improper air shutter setting. Refer to manual for shutter set points. Ensure that
set point is correct for appliance/gas type. If unit has
adjustable shutter, it may be necessary to increase
shutter opening.
c. Debris around air shutter. Inspect the opening at the base of the burner. NO MA-
TERIAL SHOULD BE PLACED IN THIS OPENING.
7. Flame burns blue
and lifts off burner.
a. Insuffi cient oxygen being supplied. Ensure that the vent cap is installed properly and free
of debris. Ensure that the vent system joints are tight
and have no leaks.
Ensure that no debris has been placed at the base of,
or in the area of the air holes in the center of the base
pan beneath the burner.
Ensure that the glass is tightened properly on the unit,
particularly on top corners.