Hi, Jay. Welcome to JustAnswer.If the answer I provide for you is helpful, please click 'ACCEPT'. I won't be paid if you don't. Please click here to download a copy of the tech sheet for your unit. Go to page 3 and put the unit into the diagnostics mode. This will point you to the failed component.
There are further tests in the tech sheet that will help you diagnose and repair your unit.
Please let me know if you require further assistance, or information. If not, please click on "ACCEPT". After you accept, please leave feedback.Thank you.