Holystone HS 440 Troubleshooting

Propollers will not rotate normally or at all when starting the drone.

Make sure that your drone's software and firmware are up to date. Sometimes, updates can address performance issues related to propellers. This can be adressed by going into the drone's app, within settings, and checking to see if their the drone is on the current updated version or if there is any updates that is needed to be downloaded

Check to see if there is any debris or waste preventing the drone from taking off. The debris can be hard to see at first glance, if you notice any, remove them and by lightlty blowing it off if it is near the surface or picking it out with small tweezers if the debris is deeper near the internals. If the issue persists try replacing the propellors with this guide.

The drone does not activate once manually pressing the power button.

Check to ensure drone is charged. If it isn't, simply charge the battery bank back to one hundreed percent and this should hopefully solve the issue.

If the battery is slighlt out of place and isn't securely locked in the battery compartment within the drone make sure the battery is fully pushed and locked in.

Check if the drone is overheating, if so, make sure to turn off the drone and leave it in a room temperature environment for around 30 minutes to cool down. Aftertwards, attempt to fly the drone again. If the issues keeps on persisting, try to replace the battery with this guide.

A pair of drone propellers are stuck in place and can not be separated.

Be sure to open blades correctly by opening the bottom arm first then the one at the bottom or else blades will be stuck. If the issue keeps on persisting, then the arm may be damaged, in that case, try replacing it with this guide.

Camera won’t show a clear image or no picture at all.

If there is some dirt or debris on camera lens, take a dry cloth and clean the debris off thoroughly as a dirty lens could cause problems with image and quality of camera.

If there is still errors with the camera even after you inspect and clean for debris, power the drone off and on again to reset the device.

Drone flying disproportionately in one direction.

Use the button on the drone to cut excess movement in one direction. If joystick is still drifting clean with isopropyl alcohol, you might need to fully replace joystick.

Calibrate the gyro before taking off to ensure the drone is stabilized during flight. To calibrate rotate the drone horizontally and vertically along all three axis. Follow the on screen prompt to finish the calibration .