Pilotlighttroubleshooting Flowchart - Kenmore 153.336340 Owner's Manual

Does pilot light go out when _/ _l•lCheck Draft. (See "Checking the
button is released? I"NO '_Draft" section of this manual.)
/
YES
",I,
Has the thermal switch | I Are the wires from the gas
tripped? INNO m_l_I control valve/thermostat firmly
/ --I connected to the switch?
YES
YES
÷
Are the wires damaged
and/or frayed?
YES
Check for insufficient
combust on a r. I
L Replace the gas control
va ve/thermostat.
Is the base-ring filter clean (i.e., free
of nt, dust, or debts)?
yr=s
Are there openings / IInstall correct size make-up air openings per
for make-up air to pNO _,lthe "Combustion Air Supply and Ventilation"
enter the room? | --Isection in this manual.
YES
• ISecure connections
NO m_lland attempt a relight"
I
ImNO mlll, IIs the thermocouple
pNO
• Iconnection/oose?
YES
ITighten the connection I 1
_YES re[Does the thermocouple pass the test?
Test the thermocouple using the following
procedure: Disconnect the thermocouple from the
gas control valve/thermostat. Using a multimeter
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
multimeter. After 45 seconds the meter should
read 12 mi(livoits DC or more.
F • I Inspect and clean the base-ring filter Refer to the "External
I
NO
Inspection & Cleaning of the Base-Ring Filter" section of this manual. I
/ I
]ann N O_lReplace the thermocouple n
Are the openings of sufficient size?
ISee "Combustion Air Supply and Ventilation" • ICorrect size of openings to I
section in this manual for requirements. NNO _lallow sufficient air.
YES
| Is there a furnace/air as
nNO_handler in the same room
the water heater?
YES
Does the return air duct for the furnace/air handler draw • IContact a local Heating, Ventilation, Air
its air from a separate location than the water heater?
See the "Location Requirements" and "Combustion Air NNO _t Conditioning & Refrigeration authorized
Supply and Ventilation" sections in this manual. "[service provider.
YES
÷
I Is there proper drafting at the / ICheck the vent system for restrictions/obstructions and check the
m_.ldraft hood? See "Checking the
NO
_11,1 v ent
termi.nation height. Refer to the 'i,lnsta!lation Ins!ructions" and
-- r IV Combustion Air Supply & Ventilation sections of thB manual for
IDraft" section in this manual.
specific requirements.
YES
÷
Is the flame-arrestor free from | ,.I Refer to the "Maintenance of Your Water Heater" section of this
debris due to excessive lint, dirt, tNO _ manual for information on cleaning the flame-arrestor.
dust or o ?
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
manua for remove nstructons.
ls the igniter wire insulation burnt or INNO mll_ls the pilot tube INNO nll!'l D°es the flame I
show signs of discoloration?
/
7 damaged? /
--I arrestor show signs
i _
I
of discol?ration and/
Y S or debr s.
YtS
Shut-off the gas supply to the water I II
• heater at the manual gas shut-off
• valve, then contact Sears Service at
1-800-4-MY-HOME (1-800-469-4663).
jo .....
THERMAL
FIGURE 42.
39