Chapter 11
Maintenance
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pic. 40
1
Overflow
2
Float switch
Check the ease of movement of the float switch:
Requirement:
Turn off the main switch and avoid its reconnection.
1. Remove the cover.
2. Check the ease of movement of the float switch for the overflow protection. In the case
of bad mobility contact the customer service.
3. If the float switch moves easily, carry out an overflow test.
Carry out an overflow test in the storage tank.
Requirement:
The installation is operational.
There is no program running.
1. Press the button "Open fresh water valve" on the clamping box of the storage tank
and keep it pressed until water flows via the overflow.
If the float switch "Overflow protection storage tank" is actuated, the error message
F059: Water level storage tank" will be displayed.
2. If the error message isn't displayed, contact the customer service.
3. Open the drain valve until the float switch "Overflow protection storage tank" isn't ac-
tuated any more.
4. Press the button
[Knowledge]
.
The error message "F059: Water level storage tank" disappears.
5. Replace the cover.