HD5720/30
11-23
REPAIR INSTRUCTIONS
PROCEDURE TO EMPTY WATER SYSTEM
In the winter season it might be needed to empty the water system of the appliance in case it can be expected that the appliance will
be stored/transported in the freeze cold for a longer time.
If the water system will not be emptied it is possible that the internal parts become damaged due to the fact that frozen water has
expanded.
Note:
If the water circuit is emptied please put the appliance to the Factory Virgin mode by following the procedure “Putting
appliance into Display test mode” see page 9 and inform the consumer that the machine has to be re-installed according
the Directions for use.
MENU
OK
OFF
ON
Put the appliance into Service/test mode.
1. Disconnect the appliance from mains.
2. Press simultaneously
and
Coffee buttons.
3. Connect the appliance to mains.
4. If above steps succeeded the display will show the following message
“LOAD TEST MODE”
5. Place a special empty prepared water tank with the Magnet glued in top position or use a magnet to mislead the appliance
that there is normal water in the tank.
6. Open the steam knob for
±
75 %. (micro switch may not be actuated)
7. Push the
button, pump starts pumping, keep the button pressed (> 30 seconds) until there comes no water out the
steam pipe anymore.
8. Connect
±
4.5 Bar air pressure to the steam pipe.
9. Push the ON/OFF button until the display will indicate “LIMIT SWITCH UP”
10. Push the
button so that “EV1 ON” is displayed. (check if you hear a loud click) (Tank magnet still in place &
steam knob
not
fully open!)
11. Now the complete water circuit will be emptied by the applied air pressure on the system.
12. Water system is sufficient empty that no harm can be done by frozen water in the system.
13. Remove all external connections/Jigs and unplug the appliance from the mains.
14. Plug on the appliance on the mains and wait until the internal test by the appliance are performed.
Put the appliance into the Virgin Factory mode.
1. Disconnect the appliance from mains.
2. Press simultaneously
and
Coffee buttons.
3. Connect the appliance to mains.
4. If succeeded the Display will show
“DISPLAY TEST MODE”
.
5. Unplug the appliance from the mains.
= changed
