21.7.4 Three-phase asynchronous motor - inverter ................................................................................... 89
21.7.4.1 General characteristics............................................................................................................. 89
21.7.5 Power supply to motor ..................................................................................................................... 89
21.8 Inverter ................................................................................................................................................ 90
21.8.1 General characteristics .................................................................................................................... 90
21.8.2 Anti-foam control system ................................................................................................................. 90
21.9 Solenoid valves ................................................................................................................................... 91
21.9.1 General characteristics .................................................................................................................... 91
21.10 Tub water level control analogue pressure switch .............................................................................. 92
21.10.1 General characteristics ................................................................................................................ 92
22 MAIN ELECTRICAL CIRCUIT DIAGRAM .................................................................................................. 93
22.1 EWM09311 & EWM09312 Diagram ................................................................................................... 93
22.2 Key to diagram .................................................................................................................................... 94
22.1 EWX13611 Operating circuit diagram ................................................................................................. 95
22.2 EWX14931 Operating circuit diagram (with three-phase motor) ........................................................ 96
23 ACCESSIBILITY ......................................................................................................................................... 97
23.1 Worktop ............................................................................................................................................... 97
23.2 From the worktop, you can access ..................................................................................................... 97
23.2.1 Solenoid valve ................................................................................................................................. 97
23.2.2 Control panel ................................................................................................................................... 98
23.2.3 Display board/selector assembly TC5/TC4/TC3 ............................................................................. 99
23.2.4 Display board/spring and button assembly Z3/Z6 ......................................................................... 100
23.2.5 Analogue pressure switch ............................................................................................................. 101
23.2.6 Detergent dispenser ...................................................................................................................... 102
23.2.7 Detergent/steam vent and fill pipe ................................................................................................. 103
23.2.8 Top counterweight ......................................................................................................................... 103
23.3 Accessing the front part .................................................................................................................... 103
23.3.1 Bellow seal .................................................................................................................................... 103
23.3.2 Door hinge ..................................................................................................................................... 104
23.3.2.1 Door hinge secured to cabinet with rivets .............................................................................. 104
23.3.2.2 Door ........................................................................................................................................ 104
23.3.2.3 Door hinge secured to cabinet with screws ........................................................................... 104
23.3.2.4 Door ........................................................................................................................................ 105
23.3.3 Door safety interlock ...................................................................................................................... 106
23.3.4 Blade .............................................................................................................................................. 107
23.3.5 Accessing the rear part .................................................................................................................. 110
23.3.6 Back panel ..................................................................................................................................... 110
23.4 From the back panel, you can access .............................................................................................. 110
23.4.1 Belt ................................................................................................................................................. 110
23.4.2 Pulley ............................................................................................................................................. 111
23.4.3 Motor .............................................................................................................................................. 111
23.4.4 Resistance ..................................................................................................................................... 111
23.4.5 EWM09311 & EWM09312 Main circuit board ............................................................................... 112
23.4.6 Main board EWX13611 ................................................................................................................. 114
23.4.7 EWX14931 Main board .................................................................................................................. 116
23.4.8 Uimc ............................................................................................................................................... 117
23.5 Bottom of the appliance .................................................................................................................... 118
23.5.1 From the bottom of the appliance, you can access ....................................................................... 118
23.5.2 Drain circuit .................................................................................................................................... 118
23.5.2.1 Drain pump ............................................................................................................................. 119
23.5.2.2 Tub drain pipe ........................................................................................................................ 120
23.5.3 Shock absorbers ............................................................................................................................ 120
23.5.4 Tub suspension springs ................................................................................................................. 122
23.5.5 Welded tub assembly .................................................................................................................... 122
23.5.6 Front counterweight ....................................................................................................................... 123
Technical Support - DMM 5/124 599 75 58-67 Rev.04