The error code means a key is stuck; enter the service diagnostic mode and perform the key test to determine which key is stuck. Once the key is determined, try to unstuck it; replace the Electronic Control Board
(Part Number AP3851146
if the error code continues to appear after the button is unstuck.
Press and hold simultaneously the Select and Cancel buttons for six seconds to reset the control then immediately after the buzzer sounds, turn the cycle selector knob 5 clicks counterclockwise to position the cycle indicator light second (Touch Up) from the bottom.
Press and hold the Options and Cancel button simultaneously for two seconds to enter the service diagnostic mode. The buzzer will sound three times and all of the LEDs will flash indicating the service diagnostic mode has been entered successfully.
Rotate the cycle selector knob 4 clicks to the Heavy Duty cycle; the motor runs with the heater off. The buttons can now be tested. Press each button and all corresponding LEDs should flash; otherwise the button is stuck or a faulty. Unstuck the key and perform the key test again; replace the control board if the problem is not resolved.
Access to the control board requires the removal of the top panel and the console. Disconnect power to the dryer prior to servicing to avoid the risk of electric shock.
Remove the two screws attaching the top panel to the rear of the dryer then slide the panel rearward and lift it off the dryer.
Remove the four screws, two on each side, securing the console to the front panel then flip the console forward. Disconnect the wires from the control board and lift the console off.
Remove the five screws mounting the control board to the console and lift the control off. Remove the control board's rear cover by releasing the two locking tabs the flip the cover off the control board. Try to unstuck the faulty key and reassemble the dryer in reverse of the disassembly steps.