Corrective Actions - Heatilator CD4236MR Owner's Manual

(A. Standing Pilot Ignition System Troubleshooting con't)
Symptom
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 Causes
A. Pilot fl ame may be too
high, too low, or blowing
(high), causing pilot safety
to drop out.
A. No LP in the tank.
B. Inner vent pipe is leaking
exhaust gases back into
the system.
C. Glass panel loose or
gasket worn.
D. Bad thermopile or
thermocouple.
E. Improper vent cap
installation.
A. Flame impingement.
B. Improper air shutter
setting.
C. Debris around air shutter.
A. Insuffi cient oxygen being
supplied.
Heatilator • Caliber Mesh CD Series-SIT Valve • 4040-849 Rev H • 11/07

Corrective Actions

Clean and adjust the pilot fl ame for maximum fl ame impingement on
thermocouple. Follow lighting instructions carefully.
Check the LP (propane) tank. Refi ll the fuel tank.
Check venting system for damage. Replace/repair improperly assembled
pipe sections.
Replace glass panel assembly.
Replace if necessary.
Check for proper installation and freedom from debris or blockage.
Adjust the log set so that the fl ame does not excessively impinge on it.
Adjust the air shutter located on the control panel.
Inspect the opening at the base of the burner. NO MATERIAL SHOULD BE
PLACED IN THIS OPENING.
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, particularly on
top corners.
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