– 58 –DiagnosisThe two top lights are in a parallel circuit and can bechecked for 12-14 VDC at the lights (yellow on theright side top light, to violet/white on the left side, orat the main control board on connector J723, pins18-20).Side lighting voltages can be checked for 19-22 VDCat the left or right side light assemblies, or at themain control board on connector J723, Pins 10-12(left side) and Pins 14-16 (right side).ZDT915 and ZDT975 OnlyTub lighting is actuated when the door is opened. Ifthe door is opened for longer than 15 minutes, theOLJKWZLOOWXUQRȺDXWRPDWLFDOO\7KHOLJKWDOJRULWKPwill reset when the door is closed and thenreopened.There are four lights in the tub lighting system, twoon the top, one on the left side and one on the rightside. The top two LED lights have a mounting nutabove the tub and a light/lens assembly which willcome with a seal. The left side is mounted with theconnector at the top, and the right side is mountedwith the connector at the bottom. They are boththe same part number. The seal comes with thelens assemblies on both the top and side light lensassemblies. Remove the 1/4 in. hex screws. The leftside mounting bracket slides up to remove, and theright side slides down to remove.Tub Lighting