Monitor always shows hourglass sign

• Cause of failure: Controller error

  Solution: Replace controller

  Tools allen wrench/outer hexagon socket wrench (#8); phillips screwdriver

  Note: Turn off the truck Choose the right tool to prevent threads damage.

  
  

  Required information for warranty claims:

  1. Photo of truck name plate;

  2. Video showing hour glass sign on monitor;

  3. Video of controller appearance