Viessmann ViCare, Operating Instructions Manual

Page: 16 / 24

16
Cause Remedy
The thermostat has a fault. Turn the thermostatic head for more information about the faults.
flashes.
Cause Remedy
flashes on the thermostat display ap-
proximately 1 month before the batteries run
out.
Replace the batteries: See page 11.
is illuminated continuously.
Cause Remedy
The batteries of the thermostatic radiator
valve have run out.
It can no longer be operated. Replace the batteries: See page 11.
is displayed.
Cause Remedy
"Open window detection" function is switch-
ed on.
■
No action required.
If the room temperature rises again within 30 minutes, the func-
tion is automatically switched off.
After 30 minutes, the function is automatically switched off even if
the temperature has not risen.
■
If you change the current set room temperature, the function is
automatically switched off.
■
If the room temperature falls below 8 °C, the frost protection
function is activated and the "open window detection" function is
switched off.
and are displayed.
Only in conjunction with a gateway
Cause Remedy
"Open window detection" function is switch-
ed on.
■
No action required.
If the room temperature rises again within 30 minutes, the func-
tion is automatically switched off.
■
If you change the current set room temperature, the function is
automatically switched off.
is displayed.
Cause Remedy
Fault in the thermostatic radiator valve mo-
tor
■
Dismount the thermostatic radiator valve: See page 20.
Remove the batteries and reinsert them: See page 11.
■
Replace the thermostatic radiator valve if necessary.
What to do if...?
The display flashes.
6155182
Diagnosis