Viessmann Vitoplus 300 Service Instructions Manual page 67

Wall mounted oil fired condensing boiler for the combustion of low sulphur fuel oil din 51603-el-1 with integral boiler control unit

Table of Contents

Fault display

Fault display layout

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".

The display flashes "Fault" if a fault

message is issued

Checking and acknowledging faults

Note

If an acknowledged fault is not removed, the fault message will be re-displayed

after 24 h.

Press the following keys:

1. c

for the current fault.

2. a/b for further fault messages.

C Fault number

D Fault code

Plain text fault displays:

Burner control unit

Outside temperature sensor

Flow sensor

Boiler sensor

Mixed flow sensor

Cylinder sensor

Flue gas sensor

DHW outlet sensor

Room temperature sensor

User fault

Troubleshooting

Table of Contents

Vp3a