19Operating Manual VRC 430 0020042468_02
5 Status and error messages
Status and error messages are displayed in the second
row of the basic data section.
Status messages
– Holiday programme active
Within a specified holiday period the heating is con-
trolled according to the temperatures set for that pe-
riod.
– Maintenance + telephone number of the expert techni-
cian
Indicates that the heating system requires mainte-
nance work.
The telephone number of your expert technician will
also appears if it has been entered into the system.
Error message:
Fault on heating unit.
Draws attention to a fault in the heating unit.
⇒ Contact your expert technician.
The unit is faulty if the screen remains dark or you are
unable to make any changes using the dial.
⇒ Contact your expert technician.
Status and error messages 5
