Hello to all APM guru's.
I have the APM 1 in a quad copter with a flysky 9x remote.
I upgraded my firmware last night and the esc's just constinaly beeps.
I read alot on the forum and people on the forum said make RC3_MIN a 1000 mine was on 1190 so I did that and the esc sang their initializing song as what it did but now the APM does not want to arm. So Ichanged the RC3_MIN back to 1190 then the APM arms but the esc's just constantly beeps without any response.
I have tried several other remotes as wel(old 35 mhz remotes I have) with their recievers and the precise same issue happens with them, I am at a los any help would be much apretiaded.
Kind Regrads
Christiaan
Replies
Don't change your RC3_MIN manually in the parameters.
Remove and reattach the ESC servo cables and the cables from your PDB to the APM. Make sure they are all tight.
Push a new copy of the firmware.
Connect, and go into the configuration, and re-calibate your TX on all channels.
Set up your modes and your frame orientation. Push your custom PIDs if you have them, but only load the PID settings, not the entire file. Especially don't load any TX/RX related settings, like min/max values.
Power it off, and power it back on with battery while not connected to your USB.
Do your ESCs keep beeping? If so, wiggle the ESC cables and APM output cables. See if they stop beeping. If they keep beeping, look up the beep codes for your ESCs. Usually it is something like:
1 beep every 1 seconds means something
1 beep every 2 seconds means something else
2 beeps every 1 second means something else
Most likely it is something like:
* PWM signal is invalid (bad TX calibration, reversed throttle value, or bad connection between ESC and APM)
Good luck.
I'm not a guru by any means, but a few ideas came to mind.
First, have you gone through the radio setup and all of the typical setup procedures in Mission Planner for your quad?
Second, have you performed the ESC calibration routine (either the simultaneous routine while everything is connected to the APM, or individually with each ESC plugged into the receiver)?
If I'm not mistaken your problem is not related to the RC3_MIN parameter, since that is adjusted when you do the radio setup in Mission Planner and you are able to arm the APM (which indicates that it recognizes the minimum throttle value correctly). To me it sounds like the ESC's aren't calibrated. As I said, though, I'm no expert, so these are just top-of-my-head ideas! Good Luck!