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13 Trouble-shooting
… the following appears in the display
UX/EXX see operating instructions
FN XXX XXXXXX
Possible cause Solution
▪ An interruption in the
power supply.
▸ Cancel the error message by pressing the
button.
▸ Disconnect from the power supply for
about1minute.
▸ Reconnect the power supply.
▸ If the error appears again, note down the er-
ror message in full along with the serial num-
ber (FN; see identification plate).
▸ Disconnect from the power supply.
▸ Call Customer Services.
13.2 After a power failure
The user settings remain unchanged.
Brief power failure during operation
– The current operation of the appliance is cancelled.
– The following appears in the display when the appliance is switched
on: «Power failure. Operation cancelled».
▸ To cancel the message, select .
– The operating modes menu appears in the display.
Prolonged power failure
Variant 1 *
* Depending on the software version
The appliance goes through its initial set-up process after a prolonged power
failure. However, only the language and time need to be reset to enable the
appliance to be operated again. It is not necessary to make any other settings.
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