Kenmore 111.72695120 Service Manual page 41

8. How to Service
8-2. Freezing Failure . (Foods are not frozen/cold.)
Any error code
on Front PCB?
Does Comp.
F-Fan & C-Fan
work ok?
Temp-Fuse is ok?
(on the evaporator)
Defrost heater
Ice formation on Eva.
To avoid risk of electrical shock that can cause death or severe personal injury,
WARNING
!
disconnect unit from power before servicing unless tests require power.
Start
N
work?
Y
N
Y
Y
Is ok?
Y
is ok?
Y
Y
■ How to check the inverter controller :
1) Empty the ice in the ice maker bucket
2) Run "Accella Ice" function in condition of icemaker on.
The M-PCB will send the signal "comp on" to controller.
3) Disconnect the connector(1,3pin) of controller from cabinet.
N
4) Measure voltage of connector on cabinet.
∴ DC5.4~6.6V → Good
Inverter Controller
Change the Controller
F-Fan & C-Fan
motor is ok?
Y
Wiring connection
is ok?
N
N
N
■ How to check Defrost heater :
Measure resistance of the heater
∴ 53~62Ω → Good
N
Refer to error display
in operation and function
Y
is OK?
N
N
Change the
defective motor
Y
Change Main PCB
Check lead wire
Change Temp-Fuse
※ Left & Right side of evaporator
Change the
Defrost heater.
Check ice formation on Eva.
and if refrigerant leak
is found, repair it.
Change the
Comp.
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