<p>This is a simple answer: Yes, it was the voltage cutoff.</p>
<p>I charged my batter hoping that it was the low voltage cutoff that was doing the error beeps. Once I tried it with the charged battery, it did the normal connection &quot;song&quot;.</p>
<p>Like Kevin said, though, you need to make sure that the wires are connected correctly.</p>

CC BY-SA 4.0
2021-09-07T15:22:39.447Z
2021-09-07T15:22:39.447Z
Jacob Hornbeck
<p>I got an ESC and brushless motor set for my RC car. After I finally got it to work, I put my car back together, but then when I turn on the transmitter and then the ESC, the motor emits a &quot;beep&quot; every 1/2 second. The ESC has a voltage cut-off, could this be the cause for the sound?</p>
<p>It also makes this sound, when I turn on the ESC without having the transmitter...</p>

CC BY-SA 4.0
2021-08-30T21:03:13.100Z
It may be voltage cutoff. It might also be the ESC connected wrong. Make sure the Signal and Ground are not swapped.
Kevin
CC BY-SA 4.0
2021-09-07T15:14:47.047Z
Once I charged the battery again, it did it's little song saying that it is connected, and ready to go. It was the low voltage cutoff. I had previously connected them wrong, but the motor didn't make any noise like that... the servo also didn't work, so I just switched the connection around.
Jacob Hornbeck
<esc><brushless-motors><transmitter><receiver>
Brushless Motor/ESC Voltage Cut-off
Jacob Hornbeck
# Brushless Motor/ESC Voltage Cut-off

(Asked by: username_0 on 2021-08-30)

I got an ESC and brushless motor set for my RC car. After I finally got it to work, I put my car back together, but then when I turn on the transmitter and then the ESC, the motor emits a "beep" every 1/2 second. The ESC has a voltage cut-off, could this be the cause for the sound?

It also makes this sound, when I turn on the ESC without having the transmitter...

**Tags:** esc, brushless-motors, transmitter, receiver

> **Comments:**
> **username_1**: It may be voltage cutoff. It might also be the ESC connected wrong. Make sure the Signal and Ground are not swapped.  
> **username_0**: Once I charged the battery again, it did it's little song saying that it is connected, and ready to go. It was the low voltage cutoff. I had previously connected them wrong, but the motor didn't make any noise like that... the servo also didn't work, so I just switched the connection around.  

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## 1 answers

### Answer by username_0 on 2021-09-07. Score: 1

This is a simple answer: Yes, it was the voltage cutoff.

I charged my batter hoping that it was the low voltage cutoff that was doing the error beeps. Once I tried it with the charged battery, it did the normal connection "song".

Like username_1 said, though, you need to make sure that the wires are connected correctly.


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