My CMC unit is stuck in the up position. Follow For CMC Marine, please use the following numbers: Sales Phone: 800-654-3697Fax: 580-252-2970 Technical Support Phone: 580-252-1699Fax: 580-252-2970 Related articles My CMC unit will not run. What should I do? CMC Owner's Manual What should I do if my jack plate is stuck in the UP position or DOWN position? My CMC unit will run one way but not the other? What is the phone number for CMC Marine Products? Comments 0 comments Please sign in to leave a comment.