20
4.3.4 Additional features (MES and AES)
The brightness of the display reduces after a
few seconds if no other buttons are pressed.
If the door is open, the interior lighting is swit-
ched off automatically after 2 minutes.
Failures are indicated by flashing of the failu-
re indicator LED.
Should the door be kept open for too long
(more than 2 minutes), an acoustic signal is
initiated (pulsing whistle tone).
Should the electronic control detect any fai-
lure, an acoustic signal will sound (pulsing
whistle tone). At the same time the display
starts flashing (for trouble-shooting, please
refer to
section 4.12
).
Refrigerator operation