DEVIreg™ Opti
15
Installation Guide
Error type
Nr.
Description
Solution
Floor Sensor
short circuited
E1
Floor sensor is measuring
very high temperature
values.
Contact service
Floor Sensor
disconnect
E2
Floor sensor is measuring
very low temperature
values.
Is floor sensor
connected?
Contact service
Room or Floor
Sensor short
circuited
E3
Sensor is measuring too
high temperature (>50°C).
Turn Off. Cool
down. If persist,
contact service.
Room or Floor
Sensor
disconnect
E4
Sensor is measuring too
low temperature (<0°C).
Turn Off and
On. If persist,
contact service.
Battery
missing
Battery is missing or needs
a replacement
Contact
service
6
Configuring - Start up
Setting time
When the thermostat is connected first time, it will open a
start up wizard (for further description see following pages).
