Table Of Contents - Electrolux “DIVA” EDW 500 Service Manual

TABLE OF CONTENTS

1 Purpose of this manual ................................................................................................................................ 5
2 PRECAUTIONS ........................................................................................................................................... 5
3 GENERAL CHARACTERISTICS................................................................................................................. 5
4 CONTROL PANEL....................................................................................................................................... 6
4.1 Start/Reset (S1) button ...................................................................................................................... 6
4.2 Option (S2) button.............................................................................................................................. 6
5 WASHING PROGRAMMES......................................................................................................................... 6
5.1 Options............................................................................................................................................... 7
5.1.1 "1/2 load".....................................................................................................................................................7
5.1.2 Delayed start...............................................................................................................................................7
5.2 Cancelling a programme.................................................................................................................... 7
5.2.1 Reset ..........................................................................................................................................................7
5.2.2 Interruption of a programme (pause) ..........................................................................................................7
5.3 Power failure ...................................................................................................................................... 7
6 SEQUENCE OF OPERATION..................................................................................................................... 8
7 HYDRAULIC CIRCUIT................................................................................................................................. 9
8 ELECTRICAL COMPONENTS AND FUNCTIONS ................................................................................... 10
8.1 EDW500 Electronic control system ................................................................................................. 10
8.1.1 Functions of the circuit board ....................................................................................................................10
8.1.2 Memory in the control system ...................................................................................................................11
8.2 Specifications for actuators and sensors ......................................................................................... 11
8.2.1 Components..............................................................................................................................................11
8.2.2 Sensors.....................................................................................................................................................11
8.3 Power supply and programme selection.......................................................................................... 12
8.4 Fill circuit .......................................................................................................................................... 12
8.4.1 Level and anti-overflow pressure switch ...................................................................................................12
8.4.2 Fill system .................................................................................................................................................12
8.4.3 Anti-flooding device...................................................................................................................................12
8.4.4 Intervention of the anti-overflow system....................................................................................................12
8.5 Control of water fill phase ................................................................................................................ 12
8.5.1 Static fill ....................................................................................................................................................12
8.5.2 Dynamic fill................................................................................................................................................13
8.5.3 Level stability control.................................................................................................................................13
8.6 Water fill time ................................................................................................................................... 13
8.6.1 Static fill time.............................................................................................................................................13
8.6.2 Dynamic fill time........................................................................................................................................13
8.6.3 Power supply interruption during water fill ................................................................................................13
8.7 Level stability during washing .......................................................................................................... 13
8.8 Washing system............................................................................................................................... 13
8.8.1 Control of the washing pump ....................................................................................................................14
8.9 Heating............................................................................................................................................. 14
8.10 Integrated detergent dispenser........................................................................................................ 14
8.11 Drain................................................................................................................................................. 14
8.11.1 "Siphon" effect...........................................................................................................................................15
8.12 Regeneration system ....................................................................................................................... 15
8.13 Resin washing.................................................................................................................................. 15
8.14 "Blending" function ........................................................................................................................... 16
9 DRYING ..................................................................................................................................................... 16
10 ALARMS..................................................................................................................................................... 17
10.1 Table of alarm codes ....................................................................................................................... 17
11 USER MODE ............................................................................................................................................. 19
11.1 Regeneration selection .................................................................................................................... 19
12 SERVICE MODE........................................................................................................................................ 20
12.1 Reading the alarms and activating the individual components ....................................................... 20
12.2 Cancelling alarm codes from memory / test of LEDs ...................................................................... 20
12.3 Functional testing cycle.................................................................................................................... 21
12.3.1 Selecting the cycle ....................................................................................................................................21
12.3.2 Cycle phases ............................................................................................................................................21
12.4 Exiting Service and User modes...................................................................................................... 21
13 ELECTRICAL FUNCTIONS ....................................................................................................................... 22
13.1 Electrical circuit diagram .................................................................................................................. 22
13.2 Basic circuit diagram........................................................................................................................ 23
13.2.1 Key to circuit diagram ...............................................................................................................................23
SOI/TD 2004-11 PR 3/ 26 599 36 44-44