4.3 Diagnostic test phases Irrespective of the type of circuit board and the configuration of the selector, after entering the diagnostic mode, turn the programme selector dial clockwise to perform the diagnostic cycle for the operation of the various components and to read any alarms. Concurrently, a selector control code is shown on the LCD display, which indicates for two seconds the description in the last column of the table below (all alarms are enabled in the diagnostic cycle). Position 1 User interface test Purpose of the test: To test operation of all the LEDs and switches. Components activated:
The LEDs are turned on in sequence, as are the symbol groups of the LCD display and its backlight. Behaviour: All LEDs turn on in sequence. When a button is pressed, the corresponding group of icon lights up. The code is shown on the LCD and a beep sounds. All the icons on the LCD flash. Working conditions: There is a control to run the test (always active). LCD display Position 2 A.D.L. 10 / 2010 8/26 599 73 54-08 Water fill to wash compartment Purpose of the test: To check the correct operation of the wash compartment water route. Components activated: • Door safety interlock • Wash solenoid Working conditions: • Door closed • Water level below anti-flooding level • Maximum time 5 mins.
LCD display Water level in the tub is displayed (mm)