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Heat & Glo • TIARA II-B • 7011-148 Rev. G • 10/12
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 at the thermopile terminals.
The millivolt meter should read greater than 125mV. If the reading is
acceptable, 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 stoppage.
e. Wall switch or
wires are defective.
Follow the corrective action in Symptom and Possible Cause 1.a.
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 blowing
(high), causing safety
pilot to drop out.
Clean and adjust the pilot fl ame for maximum fl ame impingement on
thermocouple. 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. Inner vent pipe
leaking exhaust
gases back into the
system.
Check for proper vent connection at fl ue collar and all vent joints.
c. Horizontal vent
improperly pitched.
The horizontal vent cap should slope down only enough to prevent any
water from entering the appliance.
d. Bad thermopile or
thermocouple.
Replace if necessary.
e. Improper vent cap
installation.
Check for proper installation and freedom from debris or blockage.
6. Glass soots.
a. Flame impinge-
ment.
Adjust the log set so that the fl ame does not excessively impinge on it.
Check that logs are placed according to installation instructions.
b. Improper shutter
setting.
Adjust the air shutter at the base of the burner.
c. Debris around
opening at base of
burner.
Inspect the opening at the base of the burner. NO MATERIAL SHOULD
BE PLACED IN THIS OPENING.
7. Flame burns blue
and lifts off burner.
a. Insuffi cient
oxygen being sup-
plied.
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 appliance, particu-
larly on top corners.