hello guys. I was trying to enable failsafe mode for my pixhawk drone. I am not able to set any values for the battery or any modes like RTL or Smart RTL. i was able to do that for the radio but not for the battery. My gps has a stable fix and loiter and rtl modes both work. Any ideas on how to solve it?
Have you enabled and checked the battery voltage and current sensor?
Use the Initial Parameters in MissionPlanner to set the correct voltage levels, also some other details related to prop size. I strongly advise to select “Suggested settings” too, and accept all that it offers.
I had not setup initial tunning parameters. It is allowing me to set it now . thanks!!! that fixed it
@xfacta now that i have setup failsafe my gps started getting weaker signal. i keep getting (PREARM FENCE REQUIRES POSITION) . I then later disabled geo fence and got a signal but when i tried using flight modes like RTL or LOITER it would just start blinking yellow and not work. what do i do?
check this following parameters
BATT_FS_CRT_ACT,1
BATT_FS_LOW_ACT,2
RC_FS_TIMEOUT,1
FS_CRASH_CHECK,1
FS_DR_ENABLE,2
FS_DR_TIMEOUT,30
FS_EKF_ACTION,1
FS_EKF_FILT,5
FS_EKF_THRESH,0.8
FS_GCS_ENABLE,1
FS_GCS_TIMEOUT,5
FS_OPTIONS,16
FS_THR_ENABLE,1
FS_THR_VALUE,975
FS_VIBE_ENABLE,1
This means there is not yet good enough GPS position 3D fix in order to set the Home position.
Disabling the Fence does allow you to arm and fly in non-GPS modes, but you are usually better of just waiting for a good 3D Fix and Home can be set.
You should be outside with a clear view of the sky and it could take more than 5 minutes to get a good fix. You can elevate the copter away from the ground, like put it up on a table.
The GPS signal strength or quality is not related to any of the settings discussed so far.
Usually we look for HDOP less than 1.0 to indicate the GPS is operating well. Number of satellites alone is not the best indicator.
ohh ok ill check them out thx
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ok i will enable geo fence and wait for 3d fix…thx for help
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