Samsung RS2666 Manuel D’Utilisation

Diagnostics

11-2) If the compressor and cooling fan motor don’t work normally

Apply Ref.4

Did 5 min pass after COMP. OFF?

Start

Check after a lapse of 5 min.

Did buzzer sound on forced operation?

(Check certainly after forced start.)

Exchange MICOM and PCB.

Exchange and repair IC03.

(ULN2803)

Does compressor work

with forced operation?

Is MICOM No.18 High?(5V)

Open and repair the

connection.

Troubleshoot the

sensor and Exchange

PCB.

Is the voltage of IC03 pin No. 14 between 0-1V?

Open and troubleshoot the

connection.

Is COMP relay normal?

Exchange or troubleshoot

COMP relay.

Apply Ref. 2

Is the contact of connector CN70 normal?

Insert connector completely?

Is COMP assembly normal?

Exchange and repair COMP.

assembly.

Normal

YES

Is freezer sensor normal?

Is the temp. sense

of main PCB Normal?