I made a list before for what you are asking and here it is:
Manually triggering any limit on X, the M1 LED lights on Y, Z, A
Manually triggering any limit on Z, the M3 LED lights on Y, Z, A
Manually triggering the limit on A, the M4 Home LED lights on A
Manually triggering any limit on Y, the M2 LED lights on Y, and A