If you're experiencing issues with your N70 accelerator not rebounding, it can be a frustrating and potentially dangerous problem. Here are some steps you can take to troubleshoot the issue:

1. Check for obstructions: Make sure there are no obstructions in the accelerator's path, such as debris. If there is an obstruction, remove it carefully.

2. Inspect the cable: Check the accelerator cable for any signs of wear or damage. If the cable is frayed or broken, it will need to be replaced.

3. Adjust the cable tension: If the cable is not damaged and lubrication doesn't help, you may need to adjust the cable tension. 

If none of these steps solve the problem, it may be time to contact our Customer Support Team or take your N70 to an authorised Service Location for further diagnosis and repair. Remember, a malfunctioning accelerator can be dangerous, so it's important to address the issue as soon as possible.