Restoring factory settings
Fast orange flashing
Short orange lighting
(after green or red confir-
mation)
Antenna symbol flashing
( )
Lock symbol ( )
6x long red flashes
1x orange and 1x green
light (after inserting batte-
ries)
Long and short orange
flashing (alternating)
11 Restoring factory settings
The factory settings of the device
can be restored. If you do this, you
will lose all your settings.
To restore the factory settings of the
device, please proceed as follows:
• Open the battery compartment (B
or M) of the device and remove the
battery.
• Insert the battery ensuring that the
polarity is correct and press and
hold down the system button (D or
L) for 4 s at the same time, until the
LED will quickly start flashing oran-
ge
(see „Figure 3" on page 28)
• Release the system button again.
• Press and hold down the system
Direct pairing mode active
Batteries empty
Communication error
with Homematic IP access
point/floor heating actu-
ator
Operating lock activated
Device defective
Test display
Update of device software
(OTAU)
12 Maintenance and cleaning
Clean the device using a soft, lint-free
cloth that is clean and dry. Do not use
Activate the pairing mode
of the device you want to
pair
(see „6.1 Pairing" on
page
27).
Replace the batteries
„9 Replacing batteries" on
page
36).
Please check the connec-
tion to the Homematic IP
access point/floor heating
actuator.
Deactivate the operating
lock via the app.
Please see your app for
error message or contact
your retailer.
After the test display
has stopped, you can
continue.
Wait until the update is
completed.
button again for 4 seconds, until
the device LED (D or L) lights up
green.
• Release the system button to finish
the procedure. The device will per-
form a restart.
The device does not require you
to carry out any maintenance
other than replacing the battery
when necessary. Enlist the help of
an expert to carry out any mainte-
nance or repairs.
(see
39