crwdns2934241:0crwdne2934241:0 Barrie
crwdns2934249:0crwdne2934249:0:
Check the winding resistance of the suspect motor against the others - open circuit. If it's okay, then you need to trace it back to the driver & change it if it checks out faulty or just order another controller board.
crwdns2915684:0crwdne2915684:0:
open