Motors not spinning during CLI test.

APM1 with ArduCopter V3.1.1 on an X quad.

Mission Planner 1.2.95

When the CLI Motor Test is initiated, nothing happens. Outside of the CLI, I can get the motors to spin up just fine with the transmitter, so I know they are working. This is what I think should work.

1. Open Mission Planner

2. Turn on transmitter

3. Connect USB to autopilot

4. Terminal > Connect

5. Type "test"

6. Type "motors"

7. Plug in battery

...nothing happens. I've tried swapping steps 6 and 7.

The CLI just tells me "Any key to exit." The CLI communication seems fine because I can do other things, such as setup the radio. I have restarted the computer and quad several times. This quad has never flown. Thank you for any help and if there is any more information I could provide that would be useful, let me know.

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Replies

  • Thank you guys it was the type of frame I used in MP, I already figured out. But thank you for your help, was be very helpful.
  • This drove me crazy until I found a hint on one of the forums. The CLI motor test function uses the THR_MIN parameter when momentarily energizing each motor, and it wasn't high enough for my ESCs. The default THR_MIN parameter is 130 (13% of full throttle); I changed it to 200 (20%), and suddenly the motor test worked.

  • I've successfully flown the quad several times now, so the CLI Motor Test isn't as important now. The test still doesn't work, though, which is either weird or user error.

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