Desa CB36N Gas Heater User Manual


 
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117437-01D30
TROUBLESHOOTING
Continued
WARNING: If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your
building.
• Immediately call your gas supplier from a neighbor’s phone. Fol-
low the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning sup-

create fumes. These fumes may mix with combustion air and create odors. These odors will
disappear over time.
POSSIBLE CAUSE
1. Gas leak. See Warning
statement above
1. Gas leak. See Warning
statement above
2. Control valve defective
1. Improper log placement
2. Air holes at burner inlet
blocked
3. Bu rner flam e hole s
blocked
4. Improper venting or exces-
sive blockage
5. Excessive amounts of
embers and pan material
OBSERVED PROBLEM
Fireplace produces unwanted
odors
Gas odor when control knob
is in OFF position or during
combustion
Dark residue on logs or inside

REMEDY
1. Locate and correct all leaks
(see Checking Gas Con-
nections
1. Locate and correct all leaks
(see Checking Gas Con-
nections
2. Replace gas control valve
1. Properly locate logs (see
Installing Logs, Lava Rock
and Glowing Embers
19)
2. Clean out air holes at burn-
er inlets. Periodically repeat
as needed
3. Remove blockage or re-
place burner
4. Have the vent system in-
-
mination cap. Remove any
restrictions or blockage
5. Clear excess embers from
around rear main ports.

of smaller ember pieces to
achieve best glowing effect
over visible areas