We have a unit that historically traps people intermittently. People get into elevator at an upper floor 3 or 4. (Its a 4 stop) As soon as the PI inside elevator coming down toggles to 2 the report is the elevator stops. IMS comes up with the fault and this always takes place with weight in the car.
We have been through all the connections, boards, selector, and found a bunch of stuff but not the problem. I have never adjusted a dover overspeed valve but could that be our issue? Now, to release the passengers we press the reset button on control board. Car doesn't run up it comes down on a leveling speed so I guess my question is..... Anyone have an overspeed valve partially set to slow car but not stop it? Open to a fresh idea!
