Troubleshooting Minor Problems - Bosch TCA 4101 Operating Instructions Manual

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Troubleshooting minor problems

Problem
Espresso is dispensed drop
by drop or not at all.
Espresso too cold.
Espresso has no crema"
(froth formation)
Very loud noise from the
pump.
Milk does not froth sufficiently.
Subject to amendment
Possible cause
Filter holder (11) or
filter (11a/b) is blocked.
Ground coffee too fine.
Reservoir (7) is empty.
Reservoir (7) fitted incorrectly.
Brew head filter (12) is
blocked.
Appliance scaled up.
Appliance still too cold.
Too little ground coffee.
Ground coffee too coarse.
Ground coffee past its best
before date.
Reservoir (7) is empty.
Reservoir (7) fitted incorrectly.
Milk too warm or past its best
before date.
Nozzle (8b) blocked.
Milk too fatty.
Solution
Clean filter holder (11) or
filter (11a/b).
Use coarser ground coffee.
Fill reservoir (7).
Fit reservoir (7) correctly.
Undo brew head filter (12) and
clean.
See Descaling" section.
Wait until ready" indicator
light (5) lights up green.
Use the recommended
quantity of ground coffee.
Use finer ground coffee.
Use fresh ground coffee.
Fill the reservoir.
Fit reservoir (7) correctly.
Use cold, fresh milk.
Clean nozzle (8b).
Use low fat milk (1.5%).
9

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