Technical data

108
Service scans – Vitocontrol-S, VD2/CT3/CM2
Service level summary
Function Entry Exit Page
Adjusting display
contrast
Press the “OK” and “+”
buttons simultaneously;
the display will darken
–– ––
Press the “OK” and “-” buttons
simultaneously;
the display will get lighter
–– ––
Participant check Press the w and “OK” buttons
simultaneously for approx.
2 seconds
Press the w and “OK” buttons simultaneously for approx. 1 sec 94
Relay test Press the 9 and “OK” buttons
simultaneously for approx. 2
seconds
Press the “OK” button 99
Boiler sequence Press the g and û buttons
simultaneously for approx. 2
seconds
Press the “OK” button 99
Temperatures and
quick scans
Press 9 and rw
simultaneously for approx. 2
seconds
Press the “OK” button 109
Operating status Press the  button Press the  button 111
Maintenance
requirement
indication
 (if maintenance flashes) Press the “OK” button 112
Troubleshooting Press the  button Press the “OK” button 116
Error history Press the rw and “OK”
buttons simultaneously for
approx. 2 seconds
Press the “OK” button 122
Resetting codings
to factory default
settings
Press the w and rw buttons
simultaneously for approx.
2 seconds; press the D button;
confirm by pressing the “OK”
button
–– 163
Coding 1 Press 9 and w simultaneously
for approx. 2 seconds
Press the 9 and w buttons simultaneously for approx. 1 sec 164
Coding 2 Press the w and rw buttons
simultaneously for approx. 2
seconds; confirm by pressing the
“OK” button
Press the w and rw buttons simultaneously for approx. 1 sec 167
5351 340 v1.4