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Indesit
Company
Service Manual UK
English
Controls Overview
The user controls consist of an Digit display, programme selection buttons, option buttons;
Start/Pause button and an On/Off button.
The control system consists of a control module, 2 thermistors and a conductivity sensor.
The conductivity sensor is mounted in the front air duct. A single wire connects the sensor to the
control module. The thermistors and conductivity sensor sends values back to the control module.
The control module then determines the programme duration and dryness of the load to set values
for a particular programme held within the control module software.
The control module is located behind the right hand side panel and there is a service port behind the
plinth cover that allows attachment of a computer, Smart Card Reader or Handheld Device to
programme the Control Module.
The control module can be programmed with the relevant settings file if the module is replaced, the
eeprom file becomes corrupted or if an updated file becomes available.
Each of the sensing programmes has a maximum time of 240 minutes.
Once the Automatic cycle has started, the machine’s sensors, (front and rear thermistors and the
conductivity sensor) continually monitor the dampness of the drying clothes. Once a final dry time
has been determined, the display will update.
If the display counts down to 10 minutes and the clothes are not at the required dryness level, the
display will hold at 10 minutes, depending on the programme in progress and the material being
dried, the dryer will either wait until the correct dryness level is reached and move to the cool down
period, or wait until the machines sensors are able to recalculate the dryness time and the display
will update accordingly.
If, after the maximum programme time of 240 minutes, the clothes are still not dry, the programme
advances to cool tumble and completes the programme. No fault is indicated if this occurs.
The module also controls the heater. This has an upper and lower element. The lower (static)
element is permanently energised (except in cool tumble) and the upper element (dynamic) is cycled
on and off by the control module during a programme to maintain the correct temperature within the
drum for the programme selected.
If the user turns off the power or disconnects the mains cable or there is a power cut, the dryer will
remember its last settings and resume the programme when the start button is pressed.
The start of a programme can be delayed up to a maximum of 18 hours programmed in 1 hour steps.
Pre-crease care (
see page 8
) can only be selected if a timed delay has been selected; this option
tumbles the clothes for 3 seconds every 30 minutes for the duration of the time delay.
If selected, the Post crease care option (
see page 8
) tumbles the clothes after the programme has
finished for 3 seconds every 4 minutes up to a maximum duration of 10 hours.
In the event of a controls or thermistor failure, a one-shot cut-out thermostat is fitted as safety device.
