Limit Switch Testing — How To Test HVAC Limit Switches With a Multimeter
23:32
YouTubeOPEN TO PUBLIC HVAC SCHOOL
Limit Switch Testing — How To Test HVAC Limit Switches With a Multimeter
Complete guide to testing HVAC limit switches — including high limit switches, fan limit switches, and rollout switches. With a simple continuity test, you can determine if your limit switch is open (tripped or failed) and whether it's the cause of your furnace error code. Limit switches are safety devices that shut down your furnace when ...
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