Samsung RF267AEWP, RF267AEBP, RF267AE** Troubleshooting, Start, ReinsertconnectorofMAINPCB

TROUBLESHOOTING

4-2-9. If Panel PCB does not work normally

When lighting of Panel PCB is disabled or only some LED Lamp are disabled

Be careful to repair because display of this model is installed in the MICOM of internal PCB. It is recommend to replace PCB MAIN after checking except specified solder touch.

Refer to electronic circuit diagram in the manual or circuit diagram on the back side of the appliance

Start

Is the connector of upper hinge cover inserted correctly?

Is MAIN PCB

connector (CN50) inserted correctly?

Reinsert connector, Repair bad contact

ReinsertconnectorofMAINPCB

Is Upper Hinge

Panel PCB connector

inserted correctly?

Reinsert connector,

Repair bad contact

Is lighting operate

normally when replace

Panel-PCB?

Panel PCB itself has trouble.

CheckthewireofDispenserpart-UpperHingePanel-disconnection,shortbetweenwires

Checkthewiresbetweenfreshfoodcompartmentuppercabinet-MAINPCB-disconnection,shortbetweenwires

If Panel PCB KEY is not selected

If it is not repaired with using the basic checking method as above

Are one or more keys pressed continuously?

Is the PCB system

still operated by separating

of the mechanism?

Is the lighting operated

normally when replace the

Panel-PCB ?

Reassemble the PCB ASS'Y /

Enforce the cancelation of pressed keys

Reassemble the PCB ASS'Y /

Enforce the cancelation of pressed keys

Panel PCB itself has trouble.

Check the wires of Dispenser part - Upper Hinge Panel - disconnection, short between wires. Check the wires of fresh food compartment upper cabinet - disconnection, short between wires. Check the short/open of the panel communication and power supply circuit in MAIN PCB.

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