How to Test IGBT Brick Modules with a Multimeter (DMM) and test IGBTs with a Lamp & Battery. IGBT Test with the Digital Multimeter is useful when the IGBT module cannot easily be removed or isolated. Lamp & Battery test for when the IGBT can be removed or isolated. See end of video for diagrams. … Continue reading How to Test IGBT Bricks – DMM Test & Lamp Test