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Troubleshooting
4 Cleaning and Troubleshooting
Error signalling is performed via the heating zone LED of the base station the
room control unit is assigned to.
Changing the batteries
¾
Activate the room control unit after changing the batteries by press-
ing the pairing knob shortly.
2
1
3
Warning
Danger to life in case of swallowing
Little children can swallow batteries/rotating knobs.
¾
Do not leave the room control unit unattended during a battery
change.
LED base station
Meaning
Solution
Heating zone
0
1
2
HZ on
HZ off
Duration in seconds
Radio connection
to the room con-
trol unit faulty
¾
Move position of the
room control unit
¾
Install active antenna or
repeater
Heating zone
0
1
2
HZ on
HZ off
Duration in seconds
Low
battery
¾
Change batteries of
room control unit
Heating zone
0
1
2
HZ
Duration in seconds
Emergency opera-
tion active
¾
Change the batteries.
¾
Perform a radio test.
¾
Reposition the room
control unit.
¾
Replace a defective
room control unit.