Mon Jun 30 2025

Midmark bed stuck in down position

Good morning, I have a midmark 224 exam table that is in the down position and won't elevate with the foot remote. This is a "wired" remote and plugs in. I used the foot remote on another working exam table and the remote elevated and lowered with no issues, so I disregarded the need for a new remote. I raised the bed manually with my drill and 5/16th and replaced the "Base up", "Base down" and the "limit switch".  When I plug the power cord back in, I hear the beeps from the control board. Then as soon as I plug in the foot control, the bed automatically lowers without me pressing any button. when I removed the foot remote, the lowering stops. Anyone have this issue before.

Equipment: Midmark 224 Exam table


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Mon Jun 30 2025Reply from MapleTreeBiomed
MapleTreeBiomed

Hey DemondW407,

I've had the relays on the main board get stuck causing this sort of thing. We usually replace the whole board. I believe it is PN 002-10083-00 but double check. I often remove the relays from actuator control units like these and test them out on the bench. DigiKey has everything. 

Good Luck!


Andrew Whyte, CBET, Maple Tree Biomedical LLC
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Tue Jul 01 2025Reply from Chris-CBET
Chris-CBET

Have you checked the port whete youre plugging in the foot control? You made have some debris or damage to the pins. 

If it looks ok, pull the pcb out from.the back and visually inspect it


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