19
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
pressing 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 bat-
tery change.
LED base station
Meaning
Solution
Heating zone
0
1
2
HZ on
HZ off
Duration in seconds
Radio connec-
tion to the room
control 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 op-
eration active
¾
Change the batteries.
¾
Perform a radio test.
¾
Reposition the room
control unit.
¾
Replace a defective
room control unit.
