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 2014 DJI. All Rights Reserved. 
Appendix
Troubleshooting
Problem Cause Solution
Gimbal keeps drifting 
after initialization.
1. The transmitter trims value is 
beyond the acceptable limit.  
2. The GCU is disconnected from the 
ight control system.
3. The gimbal is not mounted correctly.
1. Adju
st the transmitter trims value.
2.  Connect the GCU and ight control 
system.
3. Ensure the gimbal is mounted so it 
is parallel with the aircraft, and the 
camera is 
pointing towards the nose.
The gimbal axes are 
not level. 
Factory calibration error.
Contact your local dealer or DJI 
customer service for assistance. 
Unable to determine 
gimbal orientation. 
BVR (beyond visual range) ight.
Use a wireless video transmission 
module.
Settings When Using the A2 Flight Control System
Users should congure the H3-3D’s pitch control in the A2 assistant when using the A2 Flight 
Control System. Map the H3-3D to two channels on the transmitter as shown in the following 
diagram. DJI recommends the use of a knob switch or a stick with spring back function for tilt 
control, and a 2-position switch for MODE. 
REV
0
Unmapped
Unmapped
Unmapped
Unmapped
Unmapped
Unmapped
Unmapped
Unmapped
ROLL
REV
0
PAN
REV
0
TILT
REV
0
MODE
REV
0
SHUT
REV
0
AUX1
REV
0
AUX2
REV
0
AUX3
Appendix