| Problem | Possible Cause | Solution |
| Vehicle Does Not Move | Transmitter batteries installed incorrectly | Check that the batteries are properly installed in the transmitter and reinstall if needed. |
| Vehicle battery is dead or damaged | Fully charge the vehicle battery. If charging does not work, replace with a new battery. Also, inspect the USB charger for any damage. | |
| Vehicle is not bound/paired with transmitter | The LEDs on the transmitter and ESC/receiver should flash during binding and remain solid when bound. Replace any defective components. | |
| 1) Power shuts off immediately after binding 2) No functions work after binding | Check for any loose wires or plugs on the servo, motor, and ESC/receiver. Turn power off and back on to re-bind. If issue persists, replace ESC/receiver. | |
| Possible damage to transmission parts like gears, drive shafts, and outdrive cups. | Inspect and replace any damaged drivetrain components. | |
| ESC low voltage cut-off activated | Remove vehicle battery, allow to cool, and then fully recharge. | |
| Damaged motor | Look for visible damage like burn smells, broken wires, debris in motor. Replace motor if damaged. |
| Problem | Possible Cause | Solution |
| Poor or No Steering | Dead or damaged vehicle battery | Fully charge battery or replace if needed. |
| Steering trim not properly set | Adjust steering trim until the front wheels are perfectly aligned. | |
| Damaged servo | If vehicle moves but does not steer with good connections, replace the servo. | |
| Damaged steering components | Replace any damaged steering links, plates, posts, servo arm etc. Listen for servo noises indicating internal gear damage. | |
| Vehicle Does Not Reverse | Low battery | Ensure battery is fully charged before operating. |
| Incorrect throttle center point setup | Turn power off/on without moving trigger until the vehicle is bound with the transmitter to allow ESC/Receiver's auto-setup of the throttle center point. | |
| Incorrect trigger operation | Center trigger first, then pull back to go in reverse. | |
| Damaged waterproof ESC/Receiver or transmitter | Replace the waterproof ESC/receiver unit or transmitter. |
| Problem | Possible Cause | Solution |
| Loss of Control | Vehicle moves on its own after powering on | Turn power off/on without moving trigger until binding complete. May need to replace ESC/receiver or transmitter if issue persists. |
| Vehicle suddenly loses control while driving | Check for signal interference and sufficient battery power. Try driving in a new location. Replace ESC/receiver if issue persists. | |
| Vehicle sometimes responds to the transmitter, but occasionally moves on its own. | Try in the other place. If the problem persists, consider replacing the transmitter. | |
| Short Control Range | Signal interference | Stop driving and try operating the vehicle in a different location. |
| Low transmitter battery | Replace transmitter batteries. | |
| Sluggish Performance | Dirty or damaged drivetrain/suspension | Inspect and replace any broken gears, shafts, outdrive cups, suspension components etc. |
| Short Battery Life | Old/worn-out battery | Look for swelling, deformation, edge damage. Replace with new battery. |
| Battery not fully charged | Ensure proper charging following battery charging guidelines. | |
| Constant high-speed/rapid acceleration | Avoid sustained high speeds and sudden acceleration to extend battery life. |
| Problem | Possible Cause | Solution |
| Battery Not Charging | Incorrect adapter used | Only use 5V 2A/5V 1A adapter. Incorrect adapter may damage battery/charger. |
| Over-discharged or damaged battery | Check battery pack condition and replace if needed. | |
| Damaged USB charger | Check USB cable/charger following charging instructions and replace if needed. | |
| Missing Parts | Contact the seller or technical support if any parts are missing. | Each vehicle is thoroughly inspected before leaving the factory to ensure there are no functional issues, missing parts, or appearance defects. If problems arise, contact the seller or technical support for assistance. Single Battery: Pre-installed in vehicle Two Batteries: One pre-installed, one boxed separately |
Can't turn off the RC Car?
- Always turn off the receiver (car) before the transmitter (controller) when powering down.
- If the car won't turn off, check for loose wires or plugs on the ESC/receiver, servo, and motor.
- If the issue continues, the ESC/receiver may need replacement. We apologize for the inconvenience and hope these steps help.
| Additional Notes: | ||||||
| For Models 18859A/16890A/16890SA/3100A/2997A (With Transmitter Dual Rates): | ||||||
| Problem | Possible Cause | Solution | ||||
| Limited Steering Angle | Transmitter steering dual-rate set incorrectly | Adjust the dual-rate (D/R) knob on the transmitter | ||||
| For Models 16890SA/3100A/2997A/903A (When Using 3S Battery - Thermal Protection): | ||||||
| Problem | Possible Cause | Solution | ||||
| ESC has shut down due to overheating | ESC overheated | Stop driving and allow the ESC/receiver and motor to fully cool down before operating again. | ||||
| For Models 16890SA/3100A/2997A (With Transmitter Throttle Trim): | ||||||
| Problem | Possible Cause | Solution | ||||
| Incorrect throttle center point | Throttle center point not set properly | Refer to the operation manual and instructions for adjusting the Throttle Trim knob on the transmitter. | ||||
If customers still need help and want a human agent (after-sales customer service support), please reach out to the Amazon Store Haiboxing Support of the country/Region where the purchase was made (adding the order number to the e-mail's subject):
United States of America: usa@haiboxing.com
Canada: ca@haiboxing.com
Europe: euro@haiboxing.com
Japan: jp@haiboxing.com
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