KRUG+PRIESTER IDEAL AP140 PRO Instrucciones De Uso página 42

Troubleshooting
The indicators on the control panel do not
light up at all.
Automatic mode is not working properly.
42
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Is the air purifi er switched on?
 Switch the air purifi er on by pressing the
on/off button (A, page 32).
Has the Quiet function been activated?
 Disable the Quiet function by pressing
the Quiet button (D, page 34).
The air purifi er calibrates the air
quality sensor. This happens when you
fi rst switch it on and after disconnecting it
from the mains.
 Wait until the calibration process has been
completed (this may take a few minutes)
The air quality sensor is dirty.
 Clean the openings for the air quality
sensor L, dust sensor M (page 32), the air
intake ducts and the interior of the air
purifi er (where the fi lter cartridge is
located) with a vacuum cleaner.
The air quality sensor is not detecting the
air quality reliably
 Calibrate the air quality sensor by briefly
disconnecting it from the mains again!