senseFly EBEE RTK Extended User Manual page 160

Maintenance, Repair and Troubleshooting
De-calibrated
INS or Attitude
malfunction
Ground sensor
malfunction
Invalid flight
controller gains
160
The orientation sensors were not calibrated correctly.
User action: Be sure to place the drone on a flat
surface, reconnect the battery and do not move the
drone until pre-flight checks are complete. If the
problem persists, perform Check 2 in section 'Full air-
frame and sensor inspection' on page 151. If this
does not solve the problem contact your eBee RTK re-
seller.
There is an error with the drone's ground sensor.
User action: Ensure that the ground sensor on the
bottom of the drone is clear of debris and is not dam-
aged, then re-connect the battery. If the problem
persists, perform Check 4 in section 'Full airframe and
sensor inspection' on page 151. If this does not solve
the problem contact your eBee RTK reseller.
There is an error with the firmware in the drone's au-
topilot.
User action: Re-connect the battery. If the problem
persists, contact your eBee RTK reseller.