| Problem | Cause | Solution |
| No function of controller / Light off | Power switch is turned "OFF" | Switch "ON" controller |
| Battery exhausted or poor battery | Re-charge or replace battery in controller | |
| Fixed battery incorrect | Check the each battery and make sure they are fixed correctly. | |
| Bad power connect | Make sure each battery setted well | |
| Bad circuit | test it by multimeter & return it back for repair once confirmed. | |
| Faulty item | Replace another one to try | |
| No function of controller / Light on | Controller never been Inactive before | Active controller by push the left throttle stick fully forward then fully backwards |
| Abnormity location of Trimming adjustment when active controller | Locate the trimming adjustment in the middle of the bar before you active the controller. | |
| Incorrect frequency | Change another controller with different frequency for testing by cross control | |
| No function of helicopter / Light off | Switch is turned "OFF" | Switch "ON" helicopter |
| Incorrect power contact | Refer instruction manual and make sure connect helicopter with battery correctly | |
| Bad battery | Replace another one | |
| Faulty item | test it by multimeter & return it back for repair once confirmed. | |
| No function of helicopter / Light on | No signal or weak signal from controller | Screwed in antenna and fully extended |
| Incorrect frequency | Change another controller with different frequency for testing by cross control | |
| Battery exhausted or poor battery | Replace another one | |
| Faulty item | test it by multimeter & return it back for repair once confirmed. | |
| Helicopter can not take off | Battery was not fully charged | Re-charge helicopter |
| Rotate speed is too slow due to the tight propeller | Ease the left throttle stick further forward or gently release the propellers. | |
| Strong Windy day | Don't fly in strong wind as it will limited or disturb the signal | |
| Bad circuit or poor connect to tail rotor | For replacement | |
| Bad main motor or tail rotor | For replacement | |
| Helicopter always tremble | Bad propeller | For replacement |
| Propeller distorted | Recover the propeller | |
| Axes distorted | Recover it or replace a new one | |
| Balance hammer falled off / distorted / damaged | Recover it or replace a new one | |
| Helicopter lands too quickly | Left throttle stick moved too quickly | Gently move the left throttle stick backwards when landing. Remember to give a slight burst of power just prior to touch down |
| Helicopter crashed down | No signal or battery exhausted | Don't keep too far between controller & helicopter or recharge for battery |
| RC receiver circuit damaged | For replacement | |
| Helicopter spins / flies off course | Abnormity location of Trimming adjustment | Locate the trimming adjustment in the middle of the bar and gently move the right throttle stick to the opposite direction. |
| Bad main rotor | For replacement | |
| Can not move forward / backwards | Bad tail rotor | For replacement |
| Bad right stick on controller | Change another controller with same frequency to try |
