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8 Trouble-shooting
... in the display appears
A2 Check water outlet
Possible cause Solution
▪ Filter system is blocked.
▪ Drain hose is bent or
kinked.
▪ Drain pump or siphon is
blocked.
▪ Excessive foaming due to
rinse agent spillage.
▸ Clean the filter system.
▸ Fix the problem.
▸ Cancel the error message by pressing the
button.
▸ Restart the programme.
... in the display appears
A7 Heat pump malfunction
Possible cause Solution
▪ Heat pump malfunction ▸ Cancel the error message by pressing the
button.
– The appliance can still be operated.
The heat pump is not used for the time
being.
... in the display appears
A9 Check water inlet
Possible cause Solution
▪ Water tap is turned off.
▪ Water inlet filter is
blocked.
▪ Interruption in water sup-
ply.
▪ Water pressure is too low.
▸ Fix problem or wait until water supply is re-
stored.
▸ Cancel the error message by pressing the
button.
▸ Restart the programme.
…
F8 / E18 see instructions
/
FN XXXXX XXXXXX
appears
Possible cause Solution
▪ Water intake is hotter than
79°C (hot water connec-
tion).
▸ Have a plumber reduce the temperature of
the water intake.
52
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