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M A C H I N E S E T T I N G S A N D M O D E S
5.3.4 Descaling status indication - Gran Maestria
Special light signals show the progress during descaling.
Descaling status
Descaling mode
Descaling cup heater
Cup heater descaled
Descaling water circuit
(for coffee)
Water circuit descaled
Rinsing cup heater
Cup heater rinsed
Rinse water circuit
(for coffee)
Water circuit rinsed
Descaling mode if descaling
was not successful (e.g.
interrupted)
Maestria / Gran Maestria service manual
Left
Middle
LED
LED
Right
LED signal
LED
Middle LED on, orange
Middle LED
blinking orange with 1 Hz
(0.5 s on, 0.5 s off)
Middle and right LED on,
white and green
Middle LED on, white
Right LED blinking with
1 Hz (0.5 s on, 0.5 s off)
Left LED blinking with
1 Hz (0.5 s on, 0.5 s off)
Middle and right LEDs
on, white and green
Left and middle LEDs
blinking green with 1 Hz
(0.5 s on, 0.5 s off)
Left LED blinking with
1 Hz (0.5 s on, 0.5 s off)
Middle and right LEDs
on, white and green
Left / right LEDs
blinking with 1 Hz
(0.5 s on, 0.5 s off)
Middle LED on, white
All LEDs on,
left / right LEDs green,
middle LED white
Middle LED on, orange