Troubleshooting 6; Service Message; Error Messages - Vaillant VRC 630 Operating Manual

6 Troubleshooting
In the event of malfunctions in the heating installation,
the controller displays error messages in plain text.
b
Caution!
Inappropriate alterations can cause mate-
rial damage!
Inappropriate alterations can damage the
controller or the heating installation.
>
Never make changes to or tamper with the
boiler or other parts of the heating installa-
tion.
i
Troubleshooting may only be carried out by a
qualified expert technician.
>
Contact your expert technician.
>
Inform him of the description of the fault (error text).
6.1

Service message

The controller can display a service message in the
second line of the menu:
– Service + telephone number of the expert technician
Example of a service message:
Sun 01.11.09 15:43
Service 02191 123456
HK1 Heating
Storey 1 Eco
Cylinder Auto
VRC 630
This service message alerts you to required servicing of
the heating installation.
Additionally, the expert technician's telephone number
appears if the engineer has programmed it in.
Operating manual VRC 630 0020095108_00
6.2
If an error occurs in the heating installation, the control-
ler displays an error message on the second line of the
menu.
Example of an error message:
-3 °C
22 °C
18°C
60 °C

Error messages

Sun 01.11.09 15:43
Boiler comms error
HK1 Heating
Storey 1 Eco
Cylinder Auto
VRC 630

Troubleshooting 6

-3 °C
22 °C
18°C
60 °C
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