Intro Here are some images of Whirlpool Dryer Motor Relay contacts in different stages of use and failure. These are all images of the original Omron relays found on the dryer control boards. The first image shows new/unused Omron relay contacts. Notice the shiny protective finish as well as the concavity and convexity of the […]
Join The Tech Circuit, where the focus is: “Electronics for Field Techs”. We’ll collaborate about electronic troubleshooting, theory, schematics, circuits, and every other electric or electronics topic as it applies to Appliances, HVAC, and other Field-Tech disciplines. I started this group to help field technicians better understand the underlying electrical/electronic reasons for the things they […]
Infinite Switch Detailed Operation On electric ranges, the common infinite switch (or simmerstat) uses Pulse Width Modulation (PWM) to control the amount of power delivered to the cooktop burner ¹. Despite common misconceptions, PWM is not just reserved for DC voltage. It is simply a voltage (AC or DC) (also known as the carrier wave) […]