Remedial Actions For "Error 8" - Message - Bosch tca60f9 Repair Instruction

6.5

Remedial actions for "Error 8" - message

6.5.1 Causes of "Error 8" message
The brewing unit initialisation has failed. The brewing unit cannot be
moved into the upper end position.
This may be due to several causes, e.g.:
►
Incorrect operation (ground coffee filled with too much pre-
ground coffee or whole coffee beans)
►
Incorrect operation (cleaning tablets added at the wrong time)
►
Wrong coffee settings (too much, too finely ground coffee)
►
Wrong grinding unit setting (grinding unit not adjusted accu-
rately enough)
►
From production date FD8701 on: Microswitch for drip tray
monitoring is not actuated (wrong or defective drip tray
inserted). Power supply for gear motor is interrupted. Brewing
unit cannot be moved.
6.5.2 Remedial actions
6.5.2.1 Cleaning the upper brewing filter
If the fault message does not go out when the appliance is switched
off and on again, disconnect the appliance from the power supply and
clean the upper brewing filter (C) in the brewing unit.
It is not necessary to remove the brewing unit for this process.
►
Pull out and remove the drip tray.
►
Insert a damp cloth into the drip tray duct from the front on the
right, pull upwards and clean the brewing filter by hands.
58300000111195_ARA_en_f.doc – 02.06.09
6.5.2.2 Stripping-off clip
To improve functional safety, a stripping-off clip (B) was fitted to the
brewing unit (A).
This stripping-off clip is attached to the discharge chute on the
brewing chamber and moves closely past the upper brewing filter (C)
during each brewing cycle. Coffee dregs which stick to the brewing
filter are therefore removed mechanically.
Faults in the brewing cycle and during initialisation of the brewing unit
due to overdosage are therefore avoided.
Note: The stripping-off clip is a component of the brewing unit and is
not available separately. All current replacement brewing units feature
this stripping-off clip.
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