Status And Error Messages 5 - Vaillant VRC 430f Operating And Installation Manual

5 Status and error messages
Status and error messages are displayed in the second
row of the field for basic data.
Status messages
Holiday
The heating is controlled with reference to this room
target temperature for a defined holiday period.
Service and telephone number of heating engineer
Informs you when servicing of the heating system is
due.
In addition, the telephone number of your heating engi-
neer appears if he has programmed it in.
Dashes (--) instead of values are displayed by the
controller
When the dial is turned the values to be displayed must
first be called up from the radio receiver unit. Until
these values are obtained only dashes instead of values
will be displayed (--). This generally takes up to two sec-
onds.
Depending on the surrrounding conditions it may take
up to 15 minutes for the wireless receiver to call up and
display the latest data (e.g. outside temperature, time
with integrated CDCF 77 radio signal receiver).
If dashes (--) are displayed continuously, consult your
heating engineer.
Error messages
Error boiler
Informs you about an error in the appliance.
Contact your heating engineer.
Com. Error boiler
The connection between the radio receiver unit and ap-
pliance is faulty.
Contact your heating engineer.
No radio communication
Radio communication between the VRC 430f and radio
receiver unit is faulty.
Contact your heating engineer.
Clean wireless outdoor sensor
a) The battery on the outside radio sensor is insuffi-
cienty charged.
Clean the solar cell on the radio outdoor sensor
using a damp cloth or get in touch with your heating
engineer. Never use harsh detergents to clean the
unit as the plastic parts may be damaged.
h Note!
The error message wil take some time to disap-
pear after the solar cell has been cleaned as
the battery will take some time to recharge.
Operating instructions VRC 430f 0020042470_01

Status and error messages 5

b) There is no radio signal connection to the outdoor
sensor.
Contact your heating engineer.
h Note!
If the outdoor sensor or controller stops work-
ing, the emergency-control setting is activated.
An outside temperature of 0 °C is used as the
basis. The basic operation of the heating sys-
tem is ensured.
Change battery
The batteries at the controller are almost flat.
Change all batteries at the controller.
Proceed as follows:
Pull the controller (1) off the wall socket (2). This
can be done by pushing a screwdriver into the two
retaining straps (see Fig. 5.1 arrows).
Fig. 5.1 Removing the VRC 430f controller
Key
1 Controller VRC 430f
2 Wall plinth
1
2
19