Viessmann VITOLIGNO 300-P Operating Instructions Manual page 48

Heating system with weather-compensated, digital boiler and heating circuit control unit vitotronic 300 type fw1

Hide thumbs Also See for VITOLIGNO 300-P:

Table of Contents

Scanning options

Scanning the fault display

Press the following keys:

1. d

for troubleshooting.

Fault messages

Outdoor sensor

DHW sensor

Acknowledge with OK

2. |/~ to display further fault

messages, if several faults

exist.

3. d

to "Acknowledge" all fault

messages.

4. |/~ for "Yes" or "No".

With "Acknowledge ? Yes"

you confirm that you have

noted the fault.

(cont.)

5. d

to confirm.

To recall acknowledged fault messages,

press the following keys:

1. "MENU".

2. |/~ for "Fault messages".

3. d

to confirm.

4. |/~ for the list of current faults.

Note

If the fault has not been rectified, the fault

message will be redisplayed at 7:00 h

the following day.

The red fault indicator flashes until the

fault has been rectified.

Table of Contents