Appendix
18
Operating and installation instructions 0020253110_01
Symptom
Possible cause
Measure
Display view:
Button
lock active To un-
lock, press OK for
3 seconds
, it is not
possible to change the
settings or values
Button lock is active
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
control) for more details.
B For the competent person
B.1 Installer level
Setting level
Values
Increment, select
Default setting
Min.
Max.
Installer level
→
Enter code
000
999
1
000
Installer level
→
System configuration
→
System
----
Fault status
Current value*
Control modules
Display
Software version
Remote control address
1
8
1
1
Signal strength
0
10
1
* 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
Message
Possible cause
Measure
Room temp. sensor
fault
The room temperature
sensor is defective
▶
Replace the remote control unit.
No zone assignment
for the remote con-
trol or the controller
No remote control
address
▶
Set the correct address on the remote con-
trol unit in the
Remote control address
function.
No zone assignment
▶
Set the correct address for the remote con-
trol unit on the controller in the
Zone as-
signment
function.
System fault
Faults in the system
▶
Assess the fault messages in the controller.
B.3 Troubleshooting
Symptom
Possible cause
Measure
Display remains dark
The batteries are flat
▶
Change all the batteries. (
→
Page 8)
The batteries in the
control have not been
inserted correctly
▶
Insert the batteries in the battery compart-
ment, making sure that the poles are the
right way round.
The product is defect-
ive
▶
Replace the product.
