2010 dmm 48/96 599 73 68-54
10.6 Electronic control
The electronic control is made up of:
1. Main circuit board
2. Control/display circuit board
3. INVERTER motor control board (not shown in figure)
The control/display circuit board contains: the selector dial, to select the washing programme, the LCD display,
to display the programme information; the buttons to adjust the temperature, the spin speed and possibly select
an option, the Start/PAUSE button and lastly the ON/OFF button (in SERIES 9, there is only the ON/OFF button
as the other buttons have been replaced by touch sensors).
The commands received by the display board (by turning the selector dial, selecting an option, etc…) are sent
to the main circuit board, which powers all the electrical components (cold and hot water solenoid valve - where
featured, motor control board - Inverter, drain pump, circulation pump - where featured, heating element, door
safety interlock, drum light).
It controls the level of water via the analogue pressure switch.
It controls the status of the door.
It controls the speed of the motor.
It controls the temperature of the washing water via the NTC probe inserted in the heating element.
It controls the voltage and frequency of the electricity supply, making sure they are close to nominal values.
It controls the weight of the laundry in the drum, via the weight sensor.
It controls the flow of water through the solenoid valve via the flowmeter.
It simultaneously controls their functioning to guarantee the correct performance of the washing cycle.
2
1
Series 9
Series 8
Series 7
Solenoid valve
Hot water
Boards
- display
Main board
NTC
Heating
element
Motor
Circulation pump
Solenoid valve
Cold water
Flowmeter
Pressure
Switch
Inverter
Weight sensor
Drum light
Drain pump
Device -
door safety
Sensor
Aqua control
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