How To Service; Faulty Start - Kenmore RFP74KB Series Service Manual

9. How To Service

9-1. Faulty Start (F/R lights OFF , F-PCB Power OFF)
Main PCB is ok?
Main PCB Fuse is
(DC12V/15.5V/5V) on
Main PCB is OK?
Wire connection
of Front PCB is OK?
Checkup and connect
Front PCB wires.
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
Power input to
Y
disconnected?
N
Voltage
Y
N
N
Y
N
Y
24
Check power connection
from machine compartment
to CN1 of Main PCB.
Change the fuse
(AC250V 4A)
(on the Main PCB)
Change Main PCB
Change Front PCB AS.
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