17MAINTENANCE & SERVICEMAINTENANCE & SERVICETROUBLESHOOTINGCAUTIONThe table weighs as muchas 235 lbs. DO NOT lift ormove the unit without usingproper safety proceduresor equipment. DO NOT turnthe table on its side for anyreason. To do so could causedamage to the base andwill void the warranty. Thereare no serviceable items thatneed this action.The Oakworks PerformaLift Series Exam Table has two lifting columns that controlheight and Trendelenburg and two actuators to control the electric top. Each of thesedevices has a duty cycle of approximately 10%, meaning 2 minutes of operation withina 20 minute period. Exceeding this duty cycle can damage this equipment.DUTY CYCLEIF THE TABLE WILL NOT CHANGE POSITION• Check the outlet to be sure that it has power and that the power cable is pluggedin. Try each foot control and hand control to see if any work. If any work, thenpossibly there is a loose connection or a faulty controller.• Unplug the power cable from the wall outlet.• Make sure that all male and female connectors on the control box are firmlypushed into each other. Even a slight misconnection can cause a possible mal-function. Check the connections on top at the columns.• Plug the unit back into the wall and check the controls again. If none work, thencontact customer service. 717.235.6807• It may be necessary to do a reset of the control box.a. Press second row of 2 buttons simultaneouslyon handset or the two lift buttons on the footcontrol. (sometimes it takes several attempts to pressthem “simultaneously”)b. Control box will beep approximately 10 timesc. Run all motors in system to fully retractedposition (down)d. Re-test table to insure proper functions.