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Title: Servo Motors and BLDC not working together Post by: ambiSk on January 16, 2022, 02:08:43 PM I am using FS-i6X transmitter(Tx) with FS-iA6B receiver(Rx). I have connected 30A ESC to a 4500mAh 11.1V LiPo battery(fully charged) with a 2300kv FPV BLDC, whereas the signal pin of ESC is connected to Channel 3 of Rx, and connected a micro servo 9g(SG60) at Channel 1 of Rx. The problems I am facing are as follow:
- When I am rotating the axis of the servo the BLDC restarts - When BLDC is at >50% throttle and if I try to rotate the axis of the servo motor, BLDC goes off and restarts - Sometimes I am unable to use servo when I have throttled up the BLDC. My Rx and Tx are at Factory Settings Someone guide me on what to do? Title: Re: Servo Motors and BLDC not working together Post by: Mohammed Naveed on January 17, 2022, 09:55:52 AM Hi AmbiSK! Welcome to the forum!
We need one more detail for you. Can you specify which ESC you are using? The issue you are facing is a brown out. Your receiver isn't able to get a stable power so it rebooting again and again. I suspect the ESC is faulty or the UBEC. Regards, Mohammed Naveed Title: Re: Servo Motors and BLDC not working together Post by: ambiSk on January 17, 2022, 10:47:59 PM Hey Mohammed Naveed,
Thanks for replying and apologies for the late reply. I am using 30A FPV ESC. You can go through this link -> https://drive.google.com/file/d/1kKYbgDDNg7A63HxKr0BHZNE-Ap08m6Fp/view?usp=sharing I have demonstrated what's exactly happening. Please let me know what should I do now. Thanks Title: Re: Servo Motors and BLDC not working together Post by: Rooster on January 18, 2022, 12:12:33 PM Try following
1. Try calibrating ESC. 2. Try with another ESC.. Guess this should not happen. I think the motor is drawing current over the ESC limit, hence the ESC is getting initialised. Title: Re: Servo Motors and BLDC not working together Post by: K K Iyer on January 18, 2022, 12:24:40 PM @ambi SK,
Strange! Another possibility is that either ch 1 or 3, or both are malfunctioning. Try the servo on ch 2 or 4. If you have a 4.8v nimh battery, power the Rx with it and check if servo works ok on all channels. Best of luck. Please post updates as it is quite intriguing... Regards Title: Re: Servo Motors and BLDC not working together Post by: Mohammed Naveed on January 19, 2022, 08:29:20 PM @ambi SK,
Also do check your solder joints between esc and battery! Can you provide a link from where you purchased the esc. Title: Re: Servo Motors and BLDC not working together Post by: K K Iyer on January 20, 2022, 04:13:19 PM Another possibility is that either ch 1 or 3, or both are malfunctioning. Try the servo on ch 2 or 4. If you have a 4.8v nimh battery, power the Rx with it and check if servo works ok on all channels. Power the Rx with the Esc but remove the motor. Then check if the servos work properly on ch 1, 2 & 4. Title: Re: Servo Motors and BLDC not working together Post by: ambiSk on May 05, 2022, 09:32:16 AM Hey guys thanks for your guidance. I found out that the problem was with the ESC. The IC was damaged causing it not to propagate enough electricity to all the electronics. I switched to Emax BLHeli Series 30A, and it's working now.
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