4) Trouble shooting
EN
Error
Toilet does not flush
Toilet keeps running
Toilet flushing is not
sufficient
Unintended flushing
Toilet flushes without being
used
* See Chapter WISA Tronic APP
Possible cause
Water supply interrupted
Power supply interrupted
Battery capacity too low
lights flashing
Battery capacity too low
(only in combination with a
hydrogenerator)
Technical defect
Dirty or defective filling valve
membrane
Dirty/defective outflow
mechanism
Technical defect
Water level in the reservoir too
low
Increase quantity of flushing
water
Sensor window dirty/wet
Hygienic flush activated
Automatic flush if battery
capacity is too low
(only for hydrogenerator)
Solution
Open the stop valve in
reservoir
Check fuse in meter box
Check control panel plug
connection
See point 5. Replace battery
Have battery replaced by a
specialist
Run system diagnosis using
WISA Tronic App * and
contact a professional
Check membrane and have it
replaced if necessary
Check bottom valve and have
it replaced if necessary
Run system diagnosis using
WISA Tronic App * and
contact a professional
Adjust the water level in the
tank according to the float
valve mark
Slide the converter button on
the outflow mechanism down
See cleaning instructions
No action required
No action required