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REPAIR INSTRUCTIONS
* When powering the heaters in the system via the service test mode be warned that you not power the heaters too long,
!
the software is not protecting the heaters in this state!!
To leave the service/test mode unplug the appliance from the mains.
1. Disconnect the appliance from mains.
2. Press simultaneously
3. Connect the appliance to mains.
4. If above steps succeeded the display will show the following message "DISPLAY TEST MODE"
In the display test mode it is possible to check if the menu buttons are recognized by the software.
For instance pressing the MENU button the display will show Button 1, if you press the
Button 2 pressed etc.!
In this manner it is possible to check if the buttons are recognized by the software.
To leave the service/test mode unplug the appliance from the mains or wait 45 seconds without pressing any button.
!
When powered again the appliance must be fully installed again!
PUTTING THE APPLIANCE INTO DISPLAY TEST MODE *
(Factory Virgin mode)
MENU
OK
and
Coffee buttons.
HD5730/10
button, display will show
9-26
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