Electrolux W3105H Service Manual

21. Control unit
21
4
438 9145-21/03
02.38
Service
Manual
Function
Front control unit
Programme unit
The programme unit consists of the following
parts:
• CPU card A1
The CPU card uses the various control
programmes in the card programme memory
to check the various functions of the washing
machine. The standard programmes are also
stored in the programme memory
(programme numbers 991 - 999) together
with any user-specified programmes.
•Display card A2
The display card communicates with the CPU
card A1 through a serial interface. It converts
data from the CPU card for display in the
character display.
The display card also detects which buttons
are pressed on the control panel.
•Card reader A3
Using the card reader and a memory card,
wash programmes can be copied from one
washing machine to another or between
washing machines and a computer. The card
reader is connected to the display card A2.
A1 CPU card
A2 Display card
A11
I/O card 1
A12
I/O card 2
CPU card
A1
Communication
card A21
I/O card 1
A11
Display card
A2
Buttons
Card
reader A3
Motor control
U1
Water valves
Drain valve
Heating
A3 Card reader
2
3
Fig.
2
5227
5228
Emergency
stop
Door lock
Fig.
3

Electrolux W3105H Specifications

General

Brand	Electrolux
Model	W3105H
Category	Washer
Language	English