Diagrams & Manuals. 2. Here are instructions for entering the technical diagnostic mode. Pressing and holding the 1st button used to activate the Service Diagnostic mode for 5 seconds. There is a diagnostic mode that the computer can be started to help tell up how the machine is working.. I have a whirlpool clothes washer model # WTW5000DW1 And it won't turn on none of the lights come on its like - Answered by a verified Appliance Technician. Model: WTW5000DW1. Common Problems. Pressing the POWER button once or twice, depending on the diagnostic procedure. Use either of the two methods below to exit diagnostic mode. Whirlpool Washing Machine Model WTW5000DW1. 1. Shop Parts. Your Whirlpool washing machine is one of the most used appliances in your home. Page 31: Guide De Diagnostic POUR LE TECHNICIEN SEULEMENT GUIDE DE DIAGNOSTIC ACTIVATION DE MODE DE DIAGNOSTIC Avant d’entreprendre une réparation, contrôler DE SERVICE ce qui suit : 1. Product: Washing Machine. Save to my models. This mode is designed for service technicians familiar with the product testing operation, if you need more instructions, you can find information on the tech sheet located inside the console of the washer as the entire diagnostic process cannot be published on this site. Our Free Whirlpool Washing Machine Repair Manual was designed to assist the novice technician in the repair of home (domestic) washers that have been operating successfully for an extended period of months or years and have only recently stopped operating properly, with no major change in installation parameters or location. Exiting Service Diagnostic Mode. Brand: Whirlpool.