55
EN
Cleaning
Do not submerge the device in water
or other fluids. Do not use rough,
scratching or abrasive cleaning agents.
− Dust the device with a soft, dry cloth or wipe
with a slightly damp cloth when necessary.
Fault and remedy
No function.
Are the batteries empty or inserted the
wrong way around?
Values seem unrealistic.
Check the location. Device should not be
placed next to highly fragrant items, for
example. Restart air quality measurement if
necessary (press and hold the sensor eld
for approx. 3 seconds).
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