Model Boat Mayhem

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Author Topic: Servo prob.  (Read 2308 times)

Ginger64

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Servo prob.
« on: March 11, 2016, 09:15:33 pm »
Just up graded my boat from 6v to 7.2v.  Now I have a servo inside boat which has stopped working. Is it possible the 7.2 volt battery is too high for the servo and blown it.
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radiojoe

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Re: Servo prob.
« Reply #1 on: March 11, 2016, 09:51:07 pm »
It would depend on the where the Rx power supply comes from, it should be either be a 5volt BEC from the ESC or a separate Rx battery up to 6volt, so the servo should never get 7.2 volt.
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Ginger64

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Re: Servo prob.
« Reply #2 on: March 11, 2016, 10:07:11 pm »
Servo is plugged in receiver. But like I said it has now a 7.2 battery to it via esc. Just might be coincidence that it's stopped working. Is it possible to wire it direct to a battery to test if it works. This would rule out receiver problem.  If it has one.
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radiojoe

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Re: Servo prob.
« Reply #3 on: March 11, 2016, 10:16:05 pm »
The lead from the ESC is the BEC and is only 5 volts regardless of the voltage of the main battery, it sounds like a faulty servo.
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Ginger64

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Re: Servo prob.
« Reply #4 on: March 11, 2016, 10:35:55 pm »
Thanks very much for your help radio joe .
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malcolmfrary

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Re: Servo prob.
« Reply #5 on: March 12, 2016, 10:30:06 am »
Apart from fitting it into a known working installation, the only way to test a servo is to plug it into a servo tester.  About 2 quid from fleabay.  Powering it just applies power, to check its working it needs a pulsed signal on the third wire.
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