Electrolux washing machine Service Manual page 4

7 TECHNICAL CHARACTERISTICS.......................................................................................................... 24
7.1 EWM1000 Plus Electronic control .................................................................................................... 24
7.1.1 Functions of the circuit board .................................................................................................... 24
7.1.2 Memory in the control system.................................................................................................... 24
7.2 Power supply and programme selection .......................................................................................... 25
7.3 Door interlock.................................................................................................................................... 25
7.3.1 Voltmetric interlock with PTC..................................................................................................... 25
7.3.2 Instantaneous door interlock ..................................................................................................... 26
7.4 Control pressure switch for water level in the tub............................................................................. 27
7.4.1 Pressure switch settings............................................................................................................ 27
7.5 Detergent dispenser ......................................................................................................................... 27
7.6 Water fill system ............................................................................................................................... 28
7.6.1 Calculation of flow rate .............................................................................................................. 28
7.7 Drain pump ....................................................................................................................................... 29
7.8 Anti-flooding device .......................................................................................................................... 29
7.9 Water Control.................................................................................................................................... 30
7.10 Heating .......................................................................................................................................... 31
7.10.1 Heating element ........................................................................................................................ 31
7.10.2 Temperature sensor .................................................................................................................. 31
7.11 Motor ............................................................................................................................................. 32
7.12 Power supply to motor .................................................................................................................. 32
7.13 Anti-foam control system............................................................................................................... 32
7.14 "FUCS" (Fast Unbalance Control System).................................................................................... 33
8 DEMO Mode ............................................................................................................................................ 35
8.1 Exiting demo mode ........................................................................................................................... 35
9 DIAGNOSTICS SYSTEM ........................................................................................................................ 36
9.1 Access to diagnostics system........................................................................................................... 36
9.2 Exiting diagnostics system................................................................................................................ 36
9.3 Phases of the diagnostics test .......................................................................................................... 36
9.3.1 Display board diagnostics.......................................................................................................... 38
9.3.2 Programme selector .................................................................................................................. 39
10 ALARMS............................................................................................................................................... 40
10.1 Displaying the alarms to the user.................................................................................................. 40
10.1.1 Alarms displayed during normal operation ................................................................................ 40
10.2 Reading the alarm codes .............................................................................................................. 41
10.2.1 Displaying the alarm .................................................................................................................. 41
10.2.2 Examples of alarm displays....................................................................................................... 41
10.2.3 Operation of alarms during diagnostics..................................................................................... 42
10.3 Notes about some alarms ............................................................................................................. 42
10.4 Rapid reading of alarm codes ....................................................................................................... 42
10.5 Cancelling the last alarm............................................................................................................... 42
10.6 Table of alarm codes..................................................................................................................... 43
11 Operating time counter......................................................................................................................... 45
11.1.1 Operating time reading .............................................................................................................. 45
11.1.2 Displaying the operating time .................................................................................................... 45
12 BASIC CIRCUIT DIAGRAM ................................................................................................................. 46
12.1 Diagram (without aqua control) ..................................................................................................... 46
12.1.1 Key to circuit diagram ................................................................................................................ 47
12.2 Diagram (with aqua control) .......................................................................................................... 48
12.2.1 Key to circuit diagram ................................................................................................................ 49
SOI/DT 2005-01 dmm 4 599 36 86 11