My propelers work at different times DRL DRONE

My propellers are all working at different times…sometimes 3 go other times only 2… can some1 help me please…dont know if its the controller. Ive taken drone apart to see if all wire and motoers are fine and they are

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 0
crwdns2892346:0crwdne2892346:0