Mary K Racine , MN January 15, 2018 Appliance: Whirlpool Washer GHW9150PW1 Whirlpool Washer Ghw9150pw1: Door will not lock [no code]. How to replace Door Switch Assembly. The door switch solenoid flunked the ohmmeter test. I ordered a new switch from Appliance Parts Pros and installed it. Works perfect.. The video perfectly described how to install the switch. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes