Instructions

61
Troubleshooting
6x long red
flashing
Device
defective
Have a look at your
app for error mes-
sage or contact your
retailer.
Short orange
lighting (after
green or red
confirmation)
Batteries
empty
Replace the batteries
(see “7 Replacing
batteries” on page
56).
Battery
information (
C
MANU
BOOST
)
Battery volt-
age low
Replace the batteries
of the device (see “7
Replacing batteries”
on page 56).
Battery
information (
C
MANU
BOOST
)
and ---
Valve moved
to error
position*
Replace the batteries
of the device (see “7
Replacing batteries”
on page 56).
*If empty batteries are not replaced, the radiator thermostat
moves to a "valve error position". This avoids, that the set
temperature in the room cannot be reached any more due to
a low battery. A valve error position of 15 % is set in the factory
settings.
1x orange and 1
x green lighting
(after inserting
batteries)
Test display Once the test display
has stopped, you can
continue.
Long and short
orange flashing
(alternating)
Device soft-
ware update
(OTAU)
Wait until the update
is completed.