GE DPGT750EC/GC Technical Service Manual

GE DPGT750EC/GC Technical Service Manual Manual pdf 39 page image

– 39 –TroubleshootingVertical lines on the LCD display when the dryer isturned on.Re-seat LCD ribbon cable at connector CN6 onthe main board. If necessary, a piece of scotchtape may be added to the back of the ribbon. Thisadditional thickness will provide better contact forthe ribbon terminals.LCD screen too dark or too light as compared toLCD washer screen.LCD refresh rate can be changed in Factory TestMode. (See Contrast setting.)Touch screen pad activates an adjacent functionincorrectly, i.e. pressing one pad activates afunction of another pad.The LCD display ribbon connection on the mainboard may not be secure. Check the connectionto make sure it is secure.Checkerboard pattern in MY CYCLES screen. Electrostatic discharge on main board. Enter MYCYCLES and press DELETE on the touch screenLCD; this will clear the checkerboard pattern.Possible Cause and RepairScuff marks on the plastic backspash or cover(Platinum models).Can be removed by appliance polish, part no.WR97X216, or a high quality of automotive pastewax.LCD backlight does not come on. The backlight connection on the main board maynot be secure. Check the connection to makesure it is secure.ProblemCan occur when LCD screen is replaced. NewLCD screen must also be set to inverter output.Adjust the refresh rate through the Factory TestMode. (See contrast setting.)Replacement LCD screen too dark or too light.LCD refresh rate is matched to inverter output atthe manufacturer.TIMED DRYGARMENTFABRICSPECIALCYCLESBY BYTOUCH TO SELECTDRY CYCLESensor