Display LED Problem


Luminous Ecowatt

Problem LED Display not working
Fault
  • Faulty MC. MC is not able to send the display voltage in the display pcb.
Solution
  • Changing or checking display IC and the resistors and components associated. No solution.
  • Checking microcontroller pins 14,15,16. No voltage. Change MC problem solved.
Parts used
  • Display IC
  • MC