SERVICE
26
Symptom
Cause
Remedy
Gas too rich.
Perform the pilot burner adjustment
procedure.
Pilot burner flames are
burning yellow.
Clogged pilot air
passages.
Perform the pilot burner orifice removal
and replacement procedure.
Pilot not properly
adjusted.
Perform the pilot adjustment valve
adjustment procedure.
Pilot burner flames are
less than or more than
1/2”.
Pilot not properly
adjusted.
Perform the pilot burner adjustment
procedure.
Clogged pilot burner.
Replace pilot burner.
One or more pilot
burner flames cannot
be adjusted.
Faulty pilot burner or
orifice.
Perform the pilot burner removal and
replacement procedure or orifice removal
and replacement procedure as applicable.
Faulty pilot valve.
Perform the pilot burner valve removal and
replacement procedure.
Burner flames burning
yellow.
Incorrect gas pressure
or secondary air.
Check gas pressure. Adjust or clean air
mixer.
One or more burner
flames cannot be
adjusted.
Dirty Venturi passage.
Perform the main burner orifice removal
and replacement procedure.
Incorrect gas
pressure.
Check and adjust gas pressure.
Ceramics cracked,
broken or missing.
Replace damaged or missing ceramics.
See Installation.
Faulty burner valve.
Perform the main burner removal and
replacement procedure.
Summary of Contents for 136W36'
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