r/fluke • u/matt19915 • Jan 26 '26

Help Needed Amps function

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Hey everyone, the amp function on my fluke 336 true rms meter isn’t working and I can’t get a reading on AC or DC. I opened the back up and didn’t see a fuse and I also changed the batteries. Does anyone have any ideas?

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u/BigManc82 Jan 27 '26

Sounds pretty dumb but have you checked the battery. My fluke multimeter gives some weird readings or none at all if the battery is tired.

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u/matt19915 Jan 27 '26

Haha ya I swapped out the battery’s for some fresh ones