User manual

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Maintenance and cleaning
To restore the factory settings of the temperature and hu-
midity sensor please proceed as follows:
• To remove the sensor (B) from the frame, take
hold of the sides of the sensor and pull it out (see
figure 2).
• Remove a battery.
• Insert the battery ensuring that the polarity is
correct (see figure 7) while pressing and holding
down the system button (D) for 4s at the same
time, until the LED will quickly start flashing
orange (see figure 3).
• Release the system button again.
• Press and hold down the system button again for
4 seconds, until the status LED lights up green.
• Release the system button to finish the procedure.
The device will perform a restart.
9 Maintenance and cleaning
The device does not require you to carry out any
maintenance other than replacing the battery
when necessary. Enlist the help of an expert to
carry out any maintenance or repairs.
Clean the device using a soft, lint-free cloth that is clean
and dry. You may dampen the cloth a little with lukewarm
water in order to remove more stubborn marks. Do not