V-ZUG Combi-Steam SL Operating Instructions Manual page 79

... Trouble-shooting
Boiler scaled up,
...
please descale!
Possible cause
The boiler in the
appliance is scaled up.
Appliance blocked,
...
descaling necessary
Possible cause
Used unsuitable descaler.
Descaling unsuccessful.
FX / EXX see instructions
...
FN XXX XXXXXX
Possible cause
Various situations can
lead to an error message.
appears
Solution
A
Start descaling.
appears
Solution
A
Descale again using the recommended
descaler.
A
If the message does not disappear after
repeating the descaling process several
times, note down the error message in full
(message, serial number (FN) and error
number (E)).
A
Call Customer Services.
appears
Solution
A
Cancel the error message by pressing the
button.
A
Disconnect the power supply for about
1 minute.
A
Reconnect the power supply.
A If the error message appears again, note
down the error message in full (message,
serial number (FN) and error number (E)).
A
Disconnect the power supply.
A Call Customer Services.
79