Pilot light troubleshooting flowchart – Kenmore 153.339432 User Manual
Page 38
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PILOT LIGHT TROUBLESHOOTING FLOWCHART
Does pilot light go out when
button is released?
■NO^
YES
Jii
Check Draft. (See “Checking the
Draft” section of this manual.)
Has the thermal switch
tripped?
■NO^
YES
Are the wires from the gas
control valve/thermostat firmiy
connected to the switch?
■NO^
Secure connections
and attempt a reiight.
YES
Are the wires damaged
and/or frayed?
■NO^
Is the thermocouple
connection loose?
■NO^
Check for insufficient
combustion air.
I
YES
YES
1
i___________
pighten the connection |
Test the thermocouple using the following
procedure: Disconnect the thermocouple from the
gas control valve/thermostat. Using a muitimeter
with alligator clip leads, attach the red lead to
the body (copper part) of the thermocouple.
Attach the black lead to the end (silver part) of
the thermocouple that connects to the gas control
valve/thermostat. Follow the instruction to light
the pilot and watch the voltage readings on the
muitimeter. After 45 seconds the meter should
read 12 millivolts DC or more.
Replace the gas control
valve/thermostat.
■YES ^Does the thermocouple pass the test? ^NO^f^eplace the thermocouple.!
Is the base-ring filter clean (i.e., free
of lint, dust, or debris)?
■NO^
Inspect and clean the base-ring filter. Refer to the “External
Inspection & Cleaning of the Base-Ring Filter” section of this manual.
YES
Are there openings
for make-up air to
enter the room?
YES
■NO^
Install correct size make-up air openings per
the “Combustion Air Supply and Ventilation”
section in this manual.
Are the openings of sufficient size?
See “Combustion Air Supply and Ventilation”
section in this manual for requirements.
■NO^
Correct size of openings to
allow sufficient air.
YES
Is there a furnace/air
pNOa handler in the same room as
the water heater?
YES
Does the return air duct for the furnace/air handier draw
its air from a separate location than the water heater?
See the “Location Requirements” and “Combustion Air
Supply and Ventilation” sections in this manual.
iNOi
Contact a local Heating, Ventilation, Air
Conditioning & Refrigeration authorized
service provider.
YES
_±_
Is there proper drafting at the
draft hood? See “Checking the
Draft” section in this manual.
■NO^
Check the vent system for restrictions/obstructions and check the vent
termination height. Refer to the “Installation Instructions” section of this
manual for specific requirements.
YES
J*L
Is the flame-arrestor free from
debris due to excessive lint, dirt,
dust or oil?
■NO^
Refer to the “Maintenance of Your Water Heater” section of this
manual for information on cleaning the flame-arrestor.
YES
Check the water heater for a Flammable Vapor (FV) event. Note: it may be
necessary to remove the manifold door assembly to visually inspect the water
heater. Reference the “Maintenance of your Water Heater” section of this
manual for removal instructions.
Is the igniter wire insulation burnt or
show signs of discoloration?
-------- 1--------------------------------
YES
iNOi
Is the pilot tube
damaged?
■NO^
YES
Does the flame
arrestor show signs
of discoloration and/
or debris?
Shut-off the gas supply to the water
heater at the manual gas shut-off
valve, then contact Sears Service at
1-800-4-MY-HOME (1-800-469-4663).
YES
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