Service manual

26
Display +15 %: Water intake volume increases by 15 %
Display Time: Time-controlled water intake
Display +5 %: Water intake volume increases by 5%
Display +10%: Water intake volume increases by 10%
Display +15 %: Water intake volume increases by 15%
Adjust LCD contrast (browse with S3)
LCD contrast = 0, +1, +2, -1.
Press Start (S2) to store the water intake volume and
LCD contrast settings.
The program returns to the main menu.
DW70.4
1. Turn o the main power switch (S5)
2. Wait at least 5 seconds
3. Press and hold the Program and Start but-
tons (S1 and S2)
4. Switch on the main power switch (S5)
5. Release the Program and Start buttons (S1
& S2)
The service menu has four submenus:
1. Machine and fault information
2. Component diagnostics
3. Adjust water intake
4. Adjust LCD contrast
Press (S4) to browse between these menus
Press (S3) to enter the selected submenu
and (S4) to return
Machineandfaultinformationdisplays:
(browse with S3)
1. Date code (year/week) of control unit
2. Software version
3. Most recent fault
4. Second most recent fault (other than most
recent)
5. Third most recent fault (other than two most
recent)
Activatingcomponentdiagnostics:(browse
withS3)
1. Inlet valve and mixer valve (mixer valve
open 1 second then inlet valve open, after
next press both valves closed 1 second then
only inlet valve open (display shows water
vulume pulses from the ow sensor which is
situated in the lower part of the air break.
2. Salt water valve (salt and mixer valve only in
machines with water softener)
3. Detergent and rinse aid dispenser
4. Circulation pump (display shows turbidity
(dirt sensor) according to chart)
5. Heater and circulation pump (max. 75 °C)
(display shows temperature, see Table)
6. Fan (display shows humidity sensor reading)
7. Drain pump (display shows pressure sensor
reading: according to chart)
Adjustwaterintake(browsewithS3)
Display 0: Normal water intake volume
Display +5 %: Water intake volume increases by
5 %
Display +10%: Water intake volume increases by
10%
The table shows the voltage and corresponding
display code DW70.4
PROGRAMS AND CONTROL UNIT
VDC Display
0 0
0.2 10
0.4 20
0.6 31
0.8 41
1.0 51
1.2 61
1.4 71
1.6 82
1.8 92
2.0 102
2.2 112
2.4 122
2.6 133
2.8 143
3.0 153
3.2 163
3.4 173
3.6 184
3.8 194
4.0 204
4.2 214
4.4 224
4.6 235
4.8 245
5.0 255