GE GLDA690 Technical Service Manual

Also see for GLDA690: Owner's manual Owner's manual Owner's manual Owner's manual Owner's manual

– 23 –Pressure SwitchThe pressure switch is an overfill safety devisemounted on a bracket located under the tub nearthe right front corner. A clear plastic tube (thepressure switch hose) runs from the pressure switch,around the fill funnel, and to the sump.As the dishwasher basin fills with water, the airpressure in the pressure switch hose increases.Normally, the electronic control regulates theamount of time the water fill valve remains open. Ifthe water fill valve remains energized, the overfillingof the basin increases the air pressure in thepressure switch hose, causing the pressure switch toopen the circuit to the water valve.To remove the pressure switch:Disconnect power.Remove the front panel. (See Front Panel.)Remove the 2 Phillips head screws, washers,and the access panel.1.2.3.Remove the 2 Phillips-head screws that attachthe water valve and the junction box to the frontbrace and lower each towards the floor.4.Water ValveJunction BoxFront BraceDisconnect the pink wire from terminal 1 andthe yellow wire from terminal 2.Note: Terminal 3 not used.Remove the pressure switch hose from thepressure switch.6.7.Raise the pressure switch to the top of thebracket, rotate the switch ¼ turn and remove.8.Note: When installing the pressure switch, ensurethe switch is fully seated in the bottom of thebracket.Remove the 6 Phillips-head screws and the frontbrace from the dishwasher.5.BracketPressureSwitchPressure Switch Hose132