Frigidaire Electric Dryer "e31 code" Questions

affinity dryer with a e31 error. What should i do? I have the same problem . The store replaced it with a brand newnew unit - SAME E31 error code appears and there is no solution

code E31, first check if it is a false error code by resetting the power to the appliance by either unplugging it or flipping off the breaker for about 30 seconds. If the error code persists, it could