Kenmore 796.405190 Service Manual page 27

HEATING ERROR
Is displayed?
Yes
Check the connectors at the
main PCB, the heater and the
thermistor. Are the
connectors loose or
disconnected?
Wash heater
No
Check the resistance of the
heater. Is the resistance
between 12Ω and 18Ω ?
(Refer to 9-6 Heater
assembly.)
Yes
Proceed to next step at right
Reconnect or
repair
Yes
the connector.
Replace the
HEATER
No
ASSEMBLY.
26
Is the connector connected to
thermistor disconnected or
disassembled?
Wash thermistor
No
Check the thermistor
resistance. Is the resistance
correct according to the
chart?
(Refer to 9-7 thermistor
assembly.)
No
Are the thermistor terminals
dry and free of corrosion?
[Note]
The temperature sensing circuits on the main
PCB are very simple, consisting only of resistors
and capacitors. Problems with wiring or
connections in the thermistor circuit are the
most likely cause for this error. Be sure to
check ALL connections and wiring thoroughly.
The main PCB should only be replaces as a last
resort, as it is unlikely to be the cause.
Reconnect or
Yes
repair
the connector.
Replace the
Yes
THERMISTOR
ASSEMBLY.
Replace the
Yes
THERMISTOR
ASSEMBLY.