Kathy for Model Number part #ps2338949 Error 91 I replaced the board and unplugged one wire at a time it plugged it to new noard but it saying it has an error.
Answer Kathy, The E91 error code is an indication that the User interface to main control board communication error. You will want to check the wiring between the main control and the user interface. If the wiring is bad then repair wiring and if good then replace the user interface. If problem still not corrected then replace the main control board. Read More... Answered by AppliancePartsPros.com | Thursday, May 23, 2013