Multimeter Reads Zero? Step-by-Step Troubleshooter
Most zero readings are a setting or a lead, not a broken meter.
Test the meter on a known good battery first, so you know whether the meter or the circuit is the problem. Work through one question at a time. You can go back or start over whenever you like.
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Safety: this troubleshooter is general information for low-voltage DC learning circuits. 240V AC mains can kill: in Australia, work on mains wiring must be done by a licensed electrician. Disconnect power before you touch wiring.
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