Fault Messages - Viessmann Vitotronic 200 Installation And Service Instructions For Contractors

Troubleshooting
Fault indicator
The icon and "Fault" appear on the display if a
fault has occurred.
Note
If a message facility is connected, this is switched on.
Acknowledging the fault display
Tap .
flashes in the navigation area.
Calling up acknowledged fault messages
Tap the following buttons:
1. in the navigation area
If your heating system also has service messages
to display, the following will appear after tapping on
:
"Fault list" and "Service messages"
Calling up messages from the message memory
The 10 most recent faults (including those remedied)
and service messages are saved and can be called
up.
The messages are sorted by date.
Tap the following buttons:
1.
2. "Service"

Fault messages

0F Service
Control mode
Cause
Service "0F" is only shown in the message memory.
10 Short circuit, outside temperature sensor
Regulates as if the outside temperature were 0 °C.
92
Explanation of fault messages: See chapter "Fault
messages".
Note
Any connected message facility is switched off.
■
■ If an acknowledged fault is not remedied, the fault
message will be redisplayed the following day at
07:00 h. The alarm equipment is switched on again.
2. "Fault list"
The fault messages are shown in red and appear
in chronological order in a list.
3. Enter "viservice" password.
4. "Fault list"
5. Use to call up further information on the relevant
message.
6. If you wish to delete the list, tap .
Measure
Service the appliance.
Note
Set parameter "24:0" following a service.