Heat & Glo TIARAII-BK-B Owner's Manual page 39

Symptom
3. (Continued)
4. Frequent pilot outage
problem.
5. The pilot and main
burner extinguish while
in operation.
6. Glass soots.
7. Flame burns blue
and lifts off burner.
Possible Cause
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 Check the burner ori ce for stoppage. Remove stoppage.
ori ce.
e. Wall switch or Follow the corrective action in Symptom and Possible Cause 1.a.
wires are defective. Check the switch and wiring. Replace where defective.
a. Pilot ame may Clean and adjust the pilot ame for maximum ame impingement on
be too high or too thermocouple. Follow lighting instructions carefully.
low, or blowing
(high), causing safety
pilot to drop out.
a. No LP in tank. Check the LP (propane) tank. Re ll the fuel tank.
b. Inner vent pipe Check for proper vent connection at ue collar and all vent joints.
leaking exhaust
gases back into the
system.
c. Horizontal vent The horizontal vent cap should slope down only enough to prevent any
improperly pitched. water from entering the appliance.
d. Bad thermopile or Replace if necessary.
thermocouple.
e. Improper vent cap Check for proper installation and freedom from debris or blockage.
installation.
a. Flame impinge- Adjust the log set so that the ame does not excessively impinge on it.
ment. Check that logs are placed according to installation instructions.
b. Improper shutter Adjust the air shutter at the base of the burner.
setting.
c. Debris around Inspect the opening at the base of the burner. NO MATERIAL SHOULD
opening at base of BE PLACED IN THIS OPENING.
burner.
a. Insuf cient Ensure that the vent cap is installed properly and free of debris. Ensure
oxygen being sup- that the vent system joints are tight and have no leaks.
plied.
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.
Heat & Glo • TIARA II-B • 7011-148 Rev. L • 6/14
Corrective Action
39