Overview Of Service Levels - Viessmann VITOTRONIC 300 GW2 Installation And Service Instructions Manual

Scanning service information

Overview of service levels

Function
Temperatures, boiler coding cards
and scans
Relay test
Participant check (in conjunction
with LON)
Operating status information
Service scan
Adjustment of display contrast
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Button combination
Press 9 and rw simultaneously
for approx. 2 seconds
Press 9 and "OK" simultaneously
for approx. 2 seconds
Press w and "OK" simultaneously
for approx. 2 seconds
Press 
 (if "Service" flashing)
Press "OK" and "+" or
"OK" and "-" simultaneously
To exit
Press "OK"
Press "OK"
Press w and "OK" simultaneously
for approx. 1 second
Press 
Press "OK"
Display darkens
Display brightens
Page
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