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November 16, 2025, 12:20:21 PM

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Faulty multimeter

Started by saturated, November 15, 2025, 09:03:39 PM

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saturated

Picked up this multimeter known to be not working

Had no display whatsoever

Hoped it was a dead battery  :tu:

Opened it up.  No battery  :tu:

Installed new battery....only display on certain modes.   :grr

Checked internal $30 fuse.  Open  :grr

Installed new fuse.  Fingers crossed.  No change  :grr

Connected mini-grabbers and 150 ohm resistor

Continuity mode.  Nothing

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200 ohm range
Working

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2000 ohm range
Working

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20,000 ohm range
Working

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200 kohm range

Back to nothing  :grr

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Not really equipped to diagnose or repair tiny surface mount stuff.

 :'(
I ask stupid questions
and make stupid mistakes

criticism, critique, derision, flaming, verbal abuse welcome

g1

I would see if you can verify switch contacts for bad ranges/functions.