My Coupon Doesn't Work - What Do I Do? DCM Support June 01, 2020 12:03 Updated Follow Try refreshing the site and place a fresh order with the coupon code. If the coupon code is not working again, then you can reach out to us. Someone from our team will assist you. Related articles Can I use the exact same coupon code more than once? Comments 0 comments Please sign in to leave a comment.