Electrolux SM 554 Manual de servicio descargar pdf (Pagina 48)

Service

Manual

9406

NOTE: Marking

on chip facing

right way

Repair Instructions

A faulty electronic unit must be replaced, not

repaired.

Removing the circuit board

• Unplug the board connectors and the tube to the

level detector (see diagram below).

• Unscrew the 6 screws that secure the board.

• Unplug the connector from the keyswitch and the

ribbon from the control panel.

Changing the memory chip for user programs

If the control board has to be replaced, the program

chip containing programs created by the user may be

moved to the new board, provided the chip is not

faulty.

Carefully remove the chip from its socket and transfer

it to the new board.

IMPORTANT

The memory chip must be installed the right

way round in accordance with the markings on

the chip and the socket.

Check that the programs in the transferred memory

chip can now be selected with the new circuit board.

Check that the programs statistics are correct (by

selecting program number 00 and pressing PROG

INFO). The statistics display must not show the

characters ?\>, only numbers.

If any of the above does not work, the original

memory supplied with the new board must be

installed and the wash programs will have to be

reprogrammed.

1103

1379

Programmed chip

with user programs

Example FLE 360

Hose for level control

23. Programmer

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 90 91

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Electrolux SM 554 Manual de servicio Pagina 48

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