Maintenance, Repair and Troubleshooting
The artificial horizon should follow smoothly the motion of the eBee and it should
not drift when the drone is not moving. In case of doubt, take a short video
and follow the instructions in section ‘Reporting a problem with your eBee’ on
page 160 for advice.
Check 3: Barometric pressure sensor
The barometric pressure sensor is used to measure the altitude from the take-off
location. To check it, follow these steps:
1. Switch the eBee on by connecting the battery and connect to eMotion.
2. Move the drone from your feet to above your head (about 2 m altitude vari-
ation).
3. Check the altitude on the vertical bar right of the artificial horizon or in the
Status Panel next to the drone icon on the map).
The displayed altitude should follow the drone motion, i.e. if the drone is raised
by 2 m, the altitude reading should increase by about 2 m. When the drone is not
moving, the altitude reading may slowly drift by up to ±10 m.
Check 4: Air speed sensor
The air speed sensor is connected to the pitot probe by a pair of tubes. To check
it, follow these steps:
1. Visually check the pitot probe. Make sure that it is properly fixed to the
airframe and that both tubes are properly attached and not damaged). The
holes in the probe must be clear and free of dirt or other small obstructions.
2. Switch the drone on by connecting the battery and connect to eMotion.
3. Gently blow into the front opening of the pitot tube from a distance of
around 5 cm. The airflow direction should match the natural flow expe-
rienced in flight.
4. Check the air speed displayed on the vertical bar left of the artificial horizon.
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