Furnaces are critical components of home heating systems, especially during cold months. When a furnace malfunctions, it can cause discomfort and unexpected energy bills. Knowing how to use a multimeter for furnace troubleshooting can save time and money by identifying electrical issues quickly and safely. This guide provides step-by-step instructions for diagnosing furnace problems with a multimeter, making it easier for homeowners and technicians to pinpoint common faults.
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