Samsung RF32FMQDBSR/AA, RF32FMQDBSR/AA, Руководство по обслуживанию, Страница: 103 / 127

103
TROUBLESHOOTING
4-2-14. When the MAIN Panel PBA does not work properly
When the Panel PBA is not turned on or only some of the lamps are turned on
② When the Panel PBA key cannot be selected
※ The basic troubleshooting follows the descriptions above. If the problem continues even after completing the
steps above, complete the following procedures.
Is the connector of the
lower hinge cover of the CV-Door
compartment insert properly?
Start
Reconnect the connector.
Repair it if there is a contact
problem.
It the MAIN PCB connector
CN50 #1~5 inserted properly?
Reconnect the connector to
the Main PBA.
Is the connector properly
inserted into the Door Panel PBA?
Reconnect the connector.
Repair it if there is a contact
problem.
Is the Panel PBA turned
on properly when the PBA has been
replaced?
The Panel PBA is defective.
① Check the fridge compartment door wire - Check if the wire is open-circuited or short-circuited.
① Check the fridge compartment CABI wire - Check if the wire is open-circuited or short-circuited.
③ Check if there are open or short circuits in the Main or Panel PBA.
※ If no key is pressed for 10 seconds, the LEDs
of the display are turned off. When the display is
turned off, you can use the keys after turning
the display on by pressing test key first.
However, if the door or the home bar door is
opened, the Display LEDs remains on.
① Check the fridge compartment door wire - Check if the wire is open-circuited or short-circuited.
① Check the fridge compartment CABI wire - Check if the wire is open-circuited or short-circuited.
③ Check if there are any open or short-circuits in the communication and power supply block on the Main and Panel PBAs.
Is the Lock lamp turned on?
Check again after releasing the
lock function.
Has test key been pressed
?
Reassemble the PBA ASS'Y so
that no key is pressed.
When the panel keys do not work
No
No
Yes
Yes
No
Yes
Yes
No
Yes
No
A key is
pressed.
Reassemble the PBA ASS'Y so
that no key is pressed.
The keys work.
The Panel PBA is defective.
Yes
Yes
Do the keys not work
even after the PBAs have been
disassembled?
Yes
Is the Panel PBA turned
on properly when the PBA has been
replaced?
No
Refer to the circuit diagram in this
manual or the diagram attached to
the back of the refrigerator.
When the power is connected to the
refrigerator, replace the Panel PCB.
The keys will work normally after 1 to
2 minutes.
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