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John HumphreyJul 26, 2025
What to do if my Fluke 620 doesn’t appear to be measuring correctly?
- MMichael RiveraJul 26, 2025
If your Fluke Cable Tester isn’t measuring correctly, it could be due to defective internal circuitry. Try performing a self-test on the test tool. Also, perform the steps under 'Verifying Proper Operation'.