Viessmann VITOTRONIC 050 - Service Scans; Service Level Summary

22
Service scans
Service level summary
Function Entry Exit Page
Relay test Press the 9 and OK buttons simultaneously for
approx. 2 seconds
Press the OK button 16
Temperatures and
quick scan
Press the 9 and r buttons simultaneously for
approx. 2 seconds
Press the OK button 23
Operating
conditions
Press 
Press the  button 25
Fault history
Press the r and OK buttons simultaneously for
approx. 2 seconds
Press the OK button 28
Resetting Codings
to the factory
default
Press the # and r buttons simultaneously for
approx. 2 seconds; press the D button; confirm
with OK
–– 39
Coding 1
Press the 9 and # buttons simultaneously for
approx. 2 seconds
Press the 9 and # buttons simultaneously for
approx. 1 second
39
Coding 2
Press the # and r buttons simultaneously for
approx. 2 seconds; confirm with OK
Press the # and r buttons simultaneously for
approx. 1 second
41
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