Miele PT 7135 C Operating And Installation Instructions page 33

Problem
The following
appears at the
end of the
programme:
Maintenance
message
Clean the heat
exchanger.
Clean the
airways
Drain fault
Possible cause
The dryer is reminding
you that heat exchanger
unit needs cleaning.
You can adjust the setting
which controls when or if
the Maintenance
message appears.
The dryer is not working
efficiently or
economically.
Possible causes: The fluff
filters are clogged with
fluff or with detergent
residues.
The drain hose is kinked.
Problem solving guide
Remedy
– Clean the heat exchanger.
To delete the fault message:
– Confirm with OK .
– See "Settings menu J,
Cleaning the heat exchanger".
– Cleaning the fluff filters is
usually all that is required.
However, if the Clean the
airways message does not go
out after you have cleaned
them, then also check all the
possible causes described
under "The drying process
goes on too long or even
switches off".
To delete the fault message:
– Confirm with OK .
You can adjust the setting which
controls when or if the message
Clean the airways appears.
– See "Settings menu J, Clean
the airways".
– Remove the kink.
To delete the fault message:
– Confirm with OK .
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