Nespresso EF 451 C 111, Service Manual, Page: 27 / 133

Citiz service manual
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O P E R A T I O N
5 O P E R A T I O N
5.1 General information
For an overview of operational controls see “Main Components” on page 9.
For basic operation of the machine such as preparing a coffee and other related infor-
mation, refer to the user manual.
To simplify matters, the model Citiz with core unit C-range is used to exemplify throughout
this chapter.
5.2 Status indication
5.2.1 Status indication of coffee machine
The two coffee buttons with green LED backlight show the status of the coffee machine
according to the following table:
Operating mode Small cup
Led
signal
Big cup
LED
signal
Off Off Off
Ready On On
Error
Blinking fast 3 times
every 2 sec.
Blinking fast 3 times
every 2 sec
Heat up
Blinking slow 1 Hz,
0.25sec on / 0.5sec off
Blinking slow 1 Hz,
0.25sec on / 0.5sec off
Brewing small cup
Brewing big cup
Blinking slow 1 Hz,
0.25sec on / 0.5sec off
On
On
Blinking slow 1 Hz,
0.25sec on / 0.5sec off
Rinse small cup
Rinse big cup
Blinking slow 1 Hz,
0.25sec on / 0.5sec off
On
On
Blinking slow 1 Hz,
0.25sec on / 0.5sec off