Paul B for Model Number Whirlpool GT4185SK Microwave stopped heating. Tech-Sheet inside cover. Diode reads open in both directions on diode setting but reads open one way and reads 16.3 M ohms in the flow direction (tested with Fluke 77IV meter). Megnetron reads 0.2 ohms across filament terminals , but reads 17 ohms from filament to chassis. The tech-sheet reads it should be infinite. What do I do now?
Answer Hello Paul. Based on the test you provided, you need to replace the diode and the magnetron W10859575 in the unit. Read More... Answered by AppliancePartsPros.com | Friday, December 28, 2012