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Stannah 420
Hi, recently my Stannah 420 will no longer traverse up the rail, instead it just rotates the seat. If I manually wind up, it will move back down quite happily, but if I press to go up the seat just rotates. Im pretty sure it will be the top limit switch where by the chair thinks its at the top hence the chair rotates. Can someone point me in the direction as to what pins to check on the logic board to test this, or better still how to remove the covers to gain access to the switches to test at switch terminals. Or if any one else can suggest a root cause. All “hazzard” switches seem to operate correctly. Manuals or suggestions would be a great help, Im pretty sure its a simple fix. Many thanks in advance
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