Troubleshooting Fault Display - Viessmann VITOPEND 200 Installation And Service Instructions Manual

Troubleshooting
Fault display
Fault display design
A Fault display
B Fault symbol
The red fault indicator flashes for every fault.
A fault in the burner control unit causes the display to show "E".
Constant temperature control units
In case of faults, the fault code and
fault symbol will be displayed at the
programming unit
Weather–compensated control unit
The display flashes "Fault" if a fault
message is issued
78
C Fault number
D Fault code
Plain text fault displays:
&
Burner control unit
&
Outside temperature sensor
&
Flow sensor
&
Boiler sensor
&
Mixed flow sensor
&
DHW cylinder sensor
&
Flue gas sensor
&
DHW outlet sensor