Machine Modes; Machine Modes Of Citiz Coffee Machines - Nespresso Citiz Service Manual

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O P E R A T I O N
5.3 Machine modes
5.3.1 Machine modes of Citiz coffee machines
This table helps to understand the operating modes of a Citiz coffee machine:
Machine mode
1 Heat up mode
2 Self test mode
3 Ready mode
4a Brewing mode
4b Volume brewing
mode (program­
ming cup size)
5 Descaling mode
Citiz service manual
Enter mode
Heats up thermoblock
to ready temperature
Every time after switch­
90 °C within 60 s with­
ing on machine
out overshooting target
temperature
Tests:
• NTC short circuit
• NTC connected
Every time after switch­ • Thermoblock heating
ing on machine
Error handling:
Tracking of the last 5
errors by a ring buffer
• After heat up and self
test mode was ok
• After brewing or
volume brewing
Keeps thermoblock
coffee
temperature at 90 °C
• After reset mode
• After leaving
descaling mode
• Press and release
large or small coffee
button (brewing
mode)
• Press and hold large
or small coffee
button for more than
3 s (programming
mode)
• Regulate tempera­
• Switch on machine,
wait until ready
• Stop and start pump
• Press and hold both
coffee buttons for at
least 3 s
Actions
e.g. switching off
machine
e.g. switching off
machine
curve
e.g. switching off
machine
• Press and release
large or small coffee
button when
machine was in
brewing mode or
automatic exit given
by the flow meter
• Release large or
small coffee button
when machine was
in programming
mode
• Switching off
machine
• Press and hold both
coffee buttons for at
ture to 65 °C (after least 0.5 s
pump was started)
Note:
When machine is
with any coffee switched off during any
button, no volume descaling mode, then it
brewing in descaling goes to descaling
mode mode ready state after
next switch on.
Exit mode