Technical Support - MDM 4/97 599 76 11-68 Rev. 01
10.6.3 EWX13611 TC4-TC3 electronic control .......................................................................................... 49
11 ELECTRICAL COMPONENTS .................................................................................................................. 50
11.1 Noise filter ........................................................................................................................................... 50
11.1.1 General characteristics .................................................................................................................... 50
11.2 Display board ...................................................................................................................................... 50
11.3 Drain pump .......................................................................................................................................... 51
11.3.1 General characteristics .................................................................................................................... 51
11.4 Heating element .................................................................................................................................. 52
11.4.1 General characteristics .................................................................................................................... 52
11.5 Temperature probe ............................................................................................................................. 53
11.5.1 General characteristics .................................................................................................................... 53
11.6 Analogue pressure switch ................................................................................................................... 54
11.6.1 General characteristics .................................................................................................................... 54
11.7 Door safety interlock - traditional ........................................................................................................ 55
11.7.1 General characteristics .................................................................................................................... 55
11.8 Universal motor ................................................................................................................................... 56
11.8.1 General characteristics .................................................................................................................... 56
11.8.2 Operating principle .......................................................................................................................... 56
11.8.2.1 Motor speed control.................................................................................................................. 56
11.8.2.2 Direction of rotation of the motor .............................................................................................. 57
11.8.2.3 Tachometric generator ............................................................................................................. 57
11.8.3 Power supply to motor ..................................................................................................................... 58
11.8.4 Anti-foam control system ................................................................................................................. 58
11.9 Solenoid valves ................................................................................................................................... 59
11.9.1 General characteristics .................................................................................................................... 59
11.9.1.1 Operating principle ................................................................................................................... 59
11.10 Flowmeter (where featured) ................................................................................................................ 60
11.10.1 General characteristics ................................................................................................................ 60
11.10.2 Operating principle of the flowmeter ............................................................................................ 61
12 ALARM SUMMARY TABLE ....................................................................................................................... 62
13 DIAGRAMS ................................................................................................................................................ 67
13.1 EWM09312 Operating Circuit Diagram ............................................................................................... 67
13.2 EWM09312 Operating circuit diagram key ......................................................................................... 68
13.3 EWX13611 Operating Circuit Diagram ............................................................................................... 69
13.4 EWX13611 Operating circuit diagram key .......................................................................................... 70
14 ACCESSIBILITY ......................................................................................................................................... 71
14.1 Worktop ............................................................................................................................................... 71
14.2 From the worktop, you can access ..................................................................................................... 71
14.2.1 Main board EWM09312 ................................................................................................................... 71
14.2.2 Main board EWX13611 ................................................................................................................... 73
14.2.3 Solenoid valve ................................................................................................................................. 76
14.2.4 Control panel ................................................................................................................................... 76
14.2.5 Assembly of display board/selector/LEDs light diffuser .................................................................. 78
14.2.6 Analogue pressure switch ............................................................................................................... 80
14.2.7 Short detergent dispenser ............................................................................................................... 80
14.2.8 Long detergent dispenser ................................................................................................................ 81
14.2.9 Detergent fill pipe ............................................................................................................................. 82
14.2.10 Top counterweight ....................................................................................................................... 82
14.3 Accessing the front part ...................................................................................................................... 82
14.3.1 Door hinge - Door ............................................................................................................................ 82
14.3.2 Door safety interlock ........................................................................................................................ 83
14.3.3 Bellow seal ...................................................................................................................................... 84
14.3.4 Blade ................................................................................................................................................ 84
14.3.5 Front panel ...................................................................................................................................... 86
14.4 From the front panel, you can access ................................................................................................. 87
14.4.1 Front counterweight ......................................................................................................................... 87
14.4.2 Shock absorbers .............................................................................................................................. 87
14.4.3 Drain water circuit ............................................................................................................................ 88
14.4.3.1 Drain pump ............................................................................................................................... 88
14.4.3.2 Filter body ................................................................................................................................. 89
14.4.4 Welded tub assembly ...................................................................................................................... 91
14.4.5 Tub suspension springs ................................................................................................................... 91
14.5 Shock absorber pin ............................................................................................................................. 92
14.6 Accessing the rear part ....................................................................................................................... 93
14.6.1 Back panel ....................................................................................................................................... 93
14.7 From the back panel, you can access ................................................................................................ 93
14.7.1 Belt ................................................................................................................................................... 93
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