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125898-01D
36
TROUBLESHOOTING
Continued
-
POSSIBLE CAUSE
1. Gas leak.
2. Control valve defective
1. Foreign matter between
control valve and burner
2. Gas leak.
1. Debris around burner air
mixer
1. Air holes at burner inlet
blocked
3. Improper venting or exces-
sive blockage
Gas odor even when gas
control valve is off
Gas odor during combustion
Glass soots
Dark residue on inside of
REMEDY
1. Locate and correct all leaks
(see
Checking Gas Con-
nections
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see
Checking Gas Con-
nections
1. Inspect opening at base of
burner to see that it is NOT
packed with any type of
material
2. Check vent configuration
Venting
Installation
1. Clean out air holes at burn-
er inlets. Periodically repeat
as needed
2. Remove blockage
3. Have vent system inspect-
ed, including termination
cap. Remove any restric-
tions or obstruction