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Make and model would help a lot here, but many of the controllers on the small remote control helicopters need to be reset after a crash disconnects the link. You do this by turning both the helicopter and the controller off, then turn the 'copter on first and the controller second. When the lights on the 'copter indicate a connection, take the power control lever on the controller and push it first all the way up, and then all the way down. This resets the controller and should enable the link again.
Both hellicopters have the same wiring for the tail motors (white blue) and I think the same motors. Anyway the wiring for any 3 cable esc with any 3 cable motor doesn't have a standard. If you place them "wrong" the motor will not spin to the side you want and you have to make another combination. Generally on rc planes, bellicopters, cars etc the three color cables have black color for ground red for voltage and white for singnal. You may also see black , red, wellow or brown , red, orange coloring with the same meaning. These cables are used most on receivers and peripherals connections.
Hi, I have similar problem with my LS-208 heli. Helicopter leds are blinking red/green, front white led is on, and tail leds are blinking too. Remote controller red led is on as should be but helicopter doesn't respond to controller at all. I followed instructions above with no success. Anyone has a suggestion? Regards, Yaron.
My helicopter charged once worked and flew once for about 5 minutes. Then the helicopter stopped responding to the controller and it wouldn't take a charge. When I connected the remote to the helicopter the CHG light came on solid for about 30 seconds. This means that the controller is waiting to be plugged into the helicopter.
A couple of points to check before you go further: 1) make sure that the helicopter is turned OFF before charging! 2) When charging the red CHG light will blink. 3) When finished charging the red CHG light and the green Power light will blink at the same time. 4) After a certain amount of time both lights will stop blinking to save the batteries.
After taking the helicopter apart this is what I have found: *The helicopter has a 140mA-H 3.7V Li-Po battery. *The battery has a little board with 2 tiny computer chips. When the battery is empty these 2 chips will completely disconnect the battery. This prevents damaging the battery and this is why the helicopter stops responding when the battery is empty. *There are two connections between the battery and the little board - a long connection which wraps one time around the battery and a short connection. My problem was with the short battery connection.
Solution --The little board has a short piece of foil which connects to another short piece of foil on the battery. These two pieces of foil are simply pressed together and then glued. In my case this connection broke. To fix the problem I removed the yellow tape and glue and used a soldering iron to solder the 2 foil pieces together. Make sure that you put tape (any household tape should be OK) back on the battery to prevent any shorts.