Coffee Machine Status - Nespresso Essenza EF 470 Service Manual

Operation

Coffee machine status

After pressing the On/Off button, an automatic
self test is performed to check if
- the NTC is connected,
- the NTC is short circuited,
- the thermoblock reaches the standby
temperature within 2 minutes in brewing
mode.
A detected failure is indicated by the
backlighted coffee button as well as the
operating modes listed in the following table.
Service Manual EF 470 / EF 471
Operating mode
Off
Heat up (coffee)
Ready
System too hot
Brew coffee / rinse
Heat up (descaling)
Descaling ready
Pump on (while descaling)
Emptying water system
Failure
1 2
Coffee button LED signal
off
blinking slow
on
blinking fast
blinking slow
blinking fast
blinking fast
blinking fast
blinking fast
blinking three times fast
Version 1.1 en