Coffee Machine Displays; Button Colors - Nespresso ZENIUS ZN 100 PRO Service Manual

A red backlight on
buttons locates the
error.
18
O P E R A T I O N

3.4 Coffee machine displays

3.4.1 Button colors

1
3
1) White, blinking backlight.............................................. coffee machine is heating up
2) White backlight ............................................................................ready for operation
3) Red, blinking backlight ................................................. water tank empty or missing
4) Red backlight ...................................... error, user or service intervention necessary
Button colors for coffee and hot water preparation can be different, depending on oper-
ation mode.
Operation
Button message
Fill water
Service manual ZN100 V 6.0
2
4
Reason
Water tank empty.
Floater in water tank stucked.
Water sensor defective.
Exchange of the back panel
(Incl. water level PCBA).
Remedy
Fill water tank.
Clean floater chamber in water
tank.
Replace water sensor.
Calibrate water sensor.