Maintenance, Repair and Troubleshooting
known position in the air and in eMotion if possible and follow the instructions in
section ‘Losing and locating your eBee in the field’ on page 159.
Table 6: Critical failures
eMotion text Description and Emergency action
Failure: loss of GPS
signals
Your eBee can no longer calculate its position, mak-
ing it impossible for it to know where it is and thus to
navigate.
Emergency action: The drone turns off its motor,
sets a bank angle and glides in a large circle towards
the ground. If there is a strong wind the drone may
be pushed far from its current position. If satellitesig-
nals are re-acquired the drone will abort the landing
procedure and go to the Home waypoint.
Failure: empty
battery
The battery is completely empty.
Emergency action: The drone turns off its motor
and glides towards the ground in the direction of the
Home waypoint. This error is always preceded by a
Low battery In-flight warning.
Failure: INS
malfunction
There is a failure with the orientation sensors which
makes it impossible for the drone to stabilise itself
and thus initiate a gliding emergency landing.
Emergency action: The drone turns off its motor
and fully deflects its ailerons which results in an un-
controlled descent with limited impact energy (deep
stall or spin).
156
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