OptiFresh (Bean) Touch
Problem
The wiper pushes against
the coffee residue when
moving to the left. The
brewer unit does not rise
far enough.
The coffee residue remains
too wet. Coffee residue
drops from both sides
when the brewer chamber
lifts.
If the above-mentioned
problem is not resolved:
2017/09 Rev. 0.0
Probable cause
The brewer unit is
hindered during the
upward movement.
The coffee bed is not
flat enough.
The permanent filter is
dirty or worn.
The coffee residue is
not being vacuumed
long enough.
Check the brewer
chamber and cylinder
for fractures.
Check the cylinder
for wear and tear or
scratches.
Check the Teflon seal
for wear and tear.
Action
Check if the brewer unit is able to move
upwards freely.
Extend pause 2 brewer (extraction) to give
the coffee the time to get wet completely.
This mostly result in a flat coffee bed after the
vacuum process.
Clean or replace the permanent filter.
Execute brewer motor calibration program.
Extend pause 3 brewer (vacuum) time, this
increases the vacuum process time.
Check if vacuum is lost because the piston
moves down too far down.
Shorten start 3 brewer time if coffee still
remains too wet.
Replace the defective parts.
Replace the defective parts.
Replace the defective parts.
25
EN
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