Electrolux WE170V Service Manual page 4

10.7 Electronic control ............................................................................................................................. 34
10.8 Anti-disturbance filter ....................................................................................................................... 35
10.8.1 General characteristics ............................................................................................................... 35
10.9 Display board ................................................................................................................................... 35
10.10 Drain valve ....................................................................................................................................... 36
10.10.1 Working phases .......................................................................................................................... 38
10.10.2 Replacement of drain valve ........................................................................................................ 39
10.11 Heating element .............................................................................................................................. 40
10.11.1 General characteristics ............................................................................................................... 40
10.12 Temperature sensor ........................................................................................................................ 41
10.12.1 General characteristics ............................................................................................................... 41
10.13 Water level sensor ........................................................................................................................... 42
10.13.1 General characteristics ............................................................................................................... 42
10.14 Door lock safety interlock ................................................................................................................. 43
10.14.1 General characteristics ............................................................................................................... 43
10.14.2 Operating principle ...................................................................................................................... 43
10.15 Three-phase asynchronous motor - Inverter .................................................................................... 45
10.15.1 General characteristics ............................................................................................................... 45
10.15.2 Power supply to motor ................................................................................................................ 45
10.16 Inverter (Motor Control Unit) ............................................................................................................ 46
10.16.1 General characteristics ............................................................................................................... 46
10.17 Solenoid valves ............................................................................................................................... 47
10.17.1 General characteristics ............................................................................................................... 47
10.17.1.1 Operating principle .......................................................................................................... 47
10.17.1.2 Mechanical jamming of the solenoid valve ...................................................................... 47
10.17.1.3 Low water pressure ......................................................................................................... 47
10.17.1.4 Diagram .......................................................................................................................... 48
10.18 Flowmeter ........................................................................................................................................ 49
10.18.1 General characteristics ............................................................................................................... 49
10.18.2 Operating principle of the flowmeter ........................................................................................... 50
10.19 Drum light ........................................................................................................................................ 51
11 ALARM SUMMARY TABLE (Note that some alarms might not be valid for your appliance) ................... 52
11.1 Alarm codes for appliance with coin meter or external liquid supply system .................................... 56
11.2 Detailed description of alarm codes ................................................................................................. 56
11.2.1 E9A - External liquid supply system configured but communication failure (before payment) ..... 56
11.2.2 EF9 - External liquid supply system configured but communication failure (after payment) ...... 56
12 ACCESSIBILITY .................................................................................................................................... 57
12.1 Worktop ........................................................................................................................................... 57
12.2 From the worktop, you can access .................................................................................................. 57
12.2.1 Main board .................................................................................................................................. 57
12.2.2 Solenoid valve ............................................................................................................................ 59
12.2.3 Control panel .............................................................................................................................. 59
12.2.4 Display board/light diffuser/button springs/buttons assembly ...................................................... 61
12.2.5 Water level sensor ...................................................................................................................... 63
12.2.6 Detergent container .................................................................................................................... 63
12.2.7 Detergent fill pipe ........................................................................................................................ 64
12.2.8 Upper counterweight ................................................................................................................... 64
12.3 Accessing the front part ................................................................................................................... 64
12.3.1 Door hinge - Door ....................................................................................................................... 64
12.3.2 Door safety interlock ................................................................................................................... 65
12.3.3 Drum light ................................................................................................................................... 66
12.3.4 Bellow seal ................................................................................................................................. 66
12.3.5 Blade .......................................................................................................................................... 67
12.3.6 Front panel ................................................................................................................................. 69
12.4 From the front panel, you can access .............................................................................................. 70
12.4.1 Front counterweight .................................................................................................................... 70
12.4.2 Shock absorber ........................................................................................................................... 70
12.4.3 Drain water circuit ....................................................................................................................... 71
12.4.4 Pressure chamber ...................................................................................................................... 71
12.4.5 Tub suspension springs .............................................................................................................. 73
12.4.6 Shock absorber pin ..................................................................................................................... 74
12.5 Accessing the rear part .................................................................................................................... 75
12.5.1 Back panel .................................................................................................................................. 75
12.6 From the back panel, you can access .............................................................................................. 75
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