handicap lift elevator manufacturer disabled mobility HANDICAP LIFT DIAGNOSIS OF COMMON OCCURRENCES WITH THE ES-125 HANDICAP LIFT: The ES-125 handicap lift goes up but does not come down: Firstly, begin by verifying the underpan sensor. Pull down on it to ensure that the pan is not stuck in the activated position. Then try testing the flap on the lower part of the handicap lift. Move it to ensure the switch (if equipped) is not stuck in the activated position.