Technical Information
101
PW 6xx7
and service work registered by the control. The control saves this data in non-
volatile electronic memory (flash PROM) on the EW 235 selection-display
module. A circular buffer saves 1000 operational faults. If more than 1000
faults occur, the oldest will be overwritten.
Machine history has the following subdivisions:
Service mode (service level)
2 Service information
4 Machine history
1 Total number of faults
2 Water drain
3 Water inlet
4 Motor
5 Heating
6 Dosing
7 Pressure monitor
8 Card reader module
9 Data transfer
10 Load module
11 Operating data module
Table 100-63: Machine History
When the desired item has been selected via the multifunction selector, press
the OK button. The selected service program then starts immediately and can
be stopped when the Back button is pressed.
Save and quit:
1. Press the Save button.
2. Switch the machine off to quit the service mode.
Quit without saving:
Switch the machine off to quit the service mode.
4.8 Service Settings
Service settings can be used by the service technician to set up the machine
to suit the on-site conditions and the additional modules in use. For example,
monitoring times, temperatures, payment system functions and energy supply
parameters, etc., can be programmed. Some service settings must be made
on site as they affect other functions. Example: A laundry operator wishes to
record detailed operating data such as energy consumption so he can
calculate his costs. When the heater rating and the power of the control and
motors is recorded, the energy consumption can be established and made
available for further processing.
Initial requirements:
1. Disconnect the NTC plug (N1L_ST6) from the ELP 235 (control-power
module). Service settings is part of the "locked-out" service mode
functions.
2. Close the door.
3. Switch off the machine.
Accessing:
1. Press and hold the Start button while switching the machine on via the
main switch.
2. Release the Start button as soon as the display lights up.
3. Press and release the Start button twice briefly.
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