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Reciever lights up but quad copter doesn't work

P799 ufo unsearchable quad copter

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Controller wont sync with quad after the steps. tried 25 times with no result please help

Mine too. Controller beeps when I push the lever up, and again when I put it down. That isn't described at all in the manual and it won't sync. At all. Any luck fixing yours?

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Maybe battery is not accepting charge. I would try using a new battery.

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If it lifts steadily but has no height check the battery may be at the end of its life.


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Sounds like the axle is slightly bent and warped from the initial crash. Try replacing the axle and this should solve your problem.

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How old is the quad? Maybe the gear shafts are dragging. (Not spinning at full potential)

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1 Answer

Leds stay on and do not blink,

Hi. I have the same issue.
RC has brand new batteries, switches on and see to work properly.
Quad is charged. But LED will not blink.
RC and Quad do not see to connect.
RC lights keeps blinking.

What happened ? As far as I know nothing unsual. I bumbed the quad slightly on the roof of the living room where I was fligh it. Nothing unsual. I landed it a bit roughly. Then it stopped responding. I assumed charge was empty but when I charged , nothing happened.

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U817a loses connect to the remote control short after starting the droneflight

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1 Answer

Copter is charged. it wont respond to the rc though

Turn on the remote control first then the heli the instructions are wrong
(I have the heli)

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