Kenmore 33094 Owners Manual - Page 29

Cold drafts, Dirty burner, screen

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PROBLEM DRIP FROM RELIEF VALVE THERMOSTAT SHUT OFF COMBUSTION FAILS TO ODORS POSSIBLE CAUSE(S) 1. Excessive water pressure 2. Closed water system 1. Non-functioning thermostat 2. Improper calibration 1. Insufficient air SMOKING AND CARBON FORMATION (SOOTING) CONDENSATION BURNER FLAME FLOATS AND LIFTS OFF PORTS 2. Water heater flue or vent system blocked. 3. Heater installed in a confined area 1. Flammable vapor incident 1. Temperature setting too low 1. Orifice too large 2. High gas pressure 3. Water heater flue or vent system blocked. 4. Cold drafts 5. Dirty burner screen FLAME BURNS AT ORIFICE PILOT FLAME TOO SMALL 1. Non-functioning thermostat 2. Low gas pressure 3. Non-functioning burner 1. Pilot line or orifice clogged 2. Low gas pressure 3. Dirty pilot CORRECTIVE ACTION 1. Use a pressure reducing valve and relief valve 2. See "Thermal Expansion" 1. Replace thermostat 2. Replace thermostat 1. Provide ventilation to water heater. Check flue way, flue baffle, and burner 2. Clean, locate source and correct 3. Provide fresh air ventilation 1. Call 1-800-4-MY-HOME _'(1-800-469-4663) 1. Increase the temperature setting 1. Replace with correct orifice 2. Check with gas utility company 3. Clean flue and burner-locate source and correct 4. Locate source and correct 5. Clean burner screen. See "Ultra Low NOx Natural Gas Burner" section of this manual. 1. Replace thermostat 2. Check with gas utility company 3. Replace burner assembly 1. Clean, locate source and correct 2. Check with gas utility company 3. Clean pilot 29

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PROBLEM
POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
DRIP
FROM
RELIEF
VALVE
1.
Excessive
water
pressure
1.
Use
a pressure
reducing
valve
and
relief
valve
2.
Closed
water
system
2.
See
"Thermal
Expansion"
THERMOSTAT
FAILS
TO
1.
Non-functioning
thermostat
1.
Replace
thermostat
SHUT
OFF
2.
Improper
calibration
2.
Replace
thermostat
COMBUSTION
ODORS
1.
Insufficient
air
1.
Provide
ventilation
to water
heater.
Check
flue
way,
flue
baffle,
and
burner
2.
Water
heater
flue
or vent
system
blocked.
2.
Clean,
locate
source
and
correct
3.
Heater
installed
in a confined
area
3.
Provide
fresh
air
ventilation
1.
Flammable
vapor
incident
1.
Call 1-800-4-MY-HOME
_'(1-800-469-4663)
SMOKING
AND
CARBON
FORMATION
(SOOTING)
CONDENSATION
BURNER
FLAME
FLOATS
AND
LIFTS
OFF
PORTS
1.
Temperature
setting
too
low
1.
Orifice
too
large
2.
High
gas
pressure
3.
Water
heater
flue
or vent
system
blocked.
4.
Cold drafts
5.
Dirty burner
screen
1.
Increase
the
temperature
setting
1.
Replace
with
correct
orifice
2.
Check
with
gas
utility
company
3.
Clean
flue
and
burner-locate
source
and
correct
4.
Locate
source
and
correct
5.
Clean
burner
screen.
See "Ultra
Low
NOx
Natural
Gas
Burner"
section
of this
manual.
FLAME
BURNS
AT ORIFICE
1.
Non-functioning
thermostat
1.
Replace
thermostat
2.
Low
gas
pressure
2.
Check
with
gas
utility
company
3.
Non-functioning
burner
3.
Replace
burner
assembly
PILOT
FLAME
TOO
SMALL
1.
Pilot
line
or orifice
clogged
1.
Clean,
locate
source
and
correct
2.
Low
gas
pressure
2.
Check
with
gas
utility
company
3.
Dirty
pilot
3.
Clean
pilot
29