Electrical Components And Functions; Edw500 Electronic Control System; Functions Of The Circuit Board - Electrolux “DIVA” EDW 500 Service Manual

8

ELECTRICAL COMPONENTS AND FUNCTIONS

8.1 EDW500 Electronic control system

The EDW500 control system consists of a main circuit board and a control/display board. Both
boards are housed in a plastic container (fig. 1). The programme selector is housed in the electronic board;
the On/Off function is performed by the selector.
8.1.1

Functions of the circuit board

SENSORS
The circuit board receives signals relative to the cycle settings via the control/display board. The buttons
and LEDs are also mounted on this board.
The board also powers all the electrical components (solenoid valves, washing pump, detergent/rinse-
aid dispenser, drain pump, heating element)
The board controls the temperature of the washing water via an NTC sensor
The circuit board monitors the status of the pressure switch and the rinse-aid/salt sensors.
SOI/TD 2004-11 PR
DISPLAY BOARD
LEDs Buttons
μP
MAIN CIRCUIT BOARD
10/ 26
fig.1
ELECTRICAL
LOADS
599 36 44-44