checked left unit found bottom Steamer timer stuck at 4 min. and top cabinet not getting enough steam have two units running on one steam line. turned regulator all the way down. did increase steam coming out of stack. if still not steaming enough told Chris there maintenance will have to give you more steam from remote boiler or replace regulator. Will obtain timer and return. unit is operational but requires part. 10/28/19 turned steam off for both steamers and disconnected left unit from steam line. pushed unit over to left to get control panel off. removed old timer and replaced with new. hooked everything back up and set timer to 5 min. unit timed down and shut off. when I first turned on steam blew out of pop off. checked all 4 and up they were popping off. adjusted regulator for steam to 10 psi. unit operational job complete