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8 Trouble-shooting
…
F.. / E.. see instructions
/
FN XXXXX XXXXXX
appears
Possible causeSolution
▪ Various situations can
lead to a «F...» message.
▸Cancel the error message by pressing the
button.
If the error message persists:
▸Switch the power supply off for about 1
minute.
▸Switch the power supply back on again.
▸Cancel the error message by pressing the
button.
▸Restart the programme.
▸If the error appears again, note down the er-
ror message and FN number.
▸Turn off the water tap and the power supply.
▸Call Customer Services.
... in the display appears
U.. / E.. see instructions
Possible causeSolution
▪ Faulty electrical connec-
tion.
▪ Overvoltage.
▸Cancel the error message by pressing the
button.
If the error message persists:
▸Switch the power supply off for about 1
minute.
▸Switch the power supply back on again.
▸Cancel the error message by pressing the
button.
▸Restart the programme.
▸If the error appears again, note down the er-
ror message and FN number.
▸Switch the power supply off.
▸Have the electrical installation checked by
an expert.
53
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