The servo of HBX 901 901A RC car is unresponsive, what should I do to solve it?

[mini bear]

Check for signal interference: Make sure there is no interference from other radio devices between the remote control and the RC car. You can try to change the playing place or adjust the frequency of the remote control.

Check servo connection: Check if the servo connection wire is loose or damaged, make sure the connection is solid.

Clean the servo: If there is dust or dirt inside the servo, it may affect its performance.

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