I would check the base for the manufacturer. If it is made by Leggett & Platt one of the biggest manufacturer of adjustable beds, call 800-888-3078. They will want the model/serial number off the unit, lift the head should be on the frame.

The first response is your best bet. If you're still having difficulty, you can try using this info.

Eastman House Corporate Office 1375 Jersey Avenue North Brunswick, NJ 08902 Phone (Toll-Free): (800) 233-7467 Fax: (732) 296-9354