80
Troubleshooting
8.3
Error codes and flashing sequences
Error and
flashing codes
Meaning
Solution
Antenna
symbol
flashing ( )
Communica-
tion error with
Homematic IP
Access Point/
floor heating
actuator
Please check the
connection to the
Homematic IP
Access Point/floor
heating actuator.
Battery
symbol ( )
Supply voltage
interrupted
Restore the supply
voltage.
Flashing
humidity
symbol ( )
Humidity
limit (60 %) in
the room is
exceeded
Ventilate the room
and switch from
cooling to heating
mode, if required
Flashing
condensation
and cooling
symbol (
)
Humidity input
of Multi IO
Box has been
activated
Ventilate the room
and switch from
cooling to heating
mode, if required
Lock symbol
( )
Operating lock
activated
Deactivate the
operating lock
via the app or the
menu.
Short orange
flashing
Radio trans-
mission/at-
tempting to
transmit/data
transmission
Wait until the
transmission is
completed.
