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Symptom
Display view: Button
lock active To un-
lock, press OK for
3 seconds, it is not
possible to change the
settings or values
B For the competent person
B.1 Installer level
Setting level
Installer level →
Enter code
Installer level → System configuration →
System ----
Fault status
Control modules
Remote control address
Signal strength
* If no fault is present, the status is No fault. If there is a fault, Fault list appears and you can
read the fault message in the "Fault messages" section.
B.2 Remedy
Code/meaning
Room temp. sensor
fault
No zone assignment
for the remote control
or the controller
System fault
B.3 Troubleshooting
Symptom
Display remains dark
20
Possible cause
Button lock is active
Values
Min.
Max.
000
999
Current value*
Display
1
8
0
10
Possible cause
Room temperature
sensor defective
No remote control
address
No zone assignment
Fault in the heating
installation
Possible cause
The batteries are flat
The batteries in the
system control have
not been inserted cor-
rectly
The product is defect-
ive
Operating and installation instructions 0020253110_03
Measure
1.
If you would like to change any of the val-
ues, follow the instructions on the display.
2.
Also read the "Activating Button lock "
function (→ Operating instructions for the
system control) for more details.
Increment, select
1
Software version
1
1
Measure
▶
Replace the remote control.
▶
Set the correct address on the remote con-
trol unit in the Remote control address
function.
▶
Set the correct address for the remote con-
trol unit on the system control in the Zone
assignment function.
▶
Assess the fault messages in the system
control.
Measure
▶
Change all the batteries. (→ Page 9)
▶
Insert the batteries in the battery compart-
ment, making sure that the poles are the
right way round.
▶
Replace the product.
Default setting
000
1
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Table of Contents
Troubleshooting
