DEVIreg™ Smart
17
Installation Guide
Error
type
Nr�
Description
Solution Need restart
Floor
Sensor
discon-
nected
E1
Connection
to sensor is
lost
Contact
service
The thermostat
requires a restart
to operate again.
Floor
Sensor
short-
circuited
E2
Sensor short-
circuited
Contact
service
The thermostat
requires a restart
to operate again.
Thermo-
stat over-
heated
E3
Thermostat
is overheat-
ed, heating is
turned off
Wait until
thermo-
stat cools
down
The thermostat
requires no
restart, but will
start heating
when the
temperature is
lowered
Unrecov-
erable
error
E4
Room
temperature
sensor value
too high or
too low
Contact
service
The thermostat
requires a restart
to operate again.
