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Elizabeth BrownAug 6, 2025
What to do if Hach HQ14d Measuring Instruments meter will not power on?
- RRobert DixonAug 6, 2025
If the Hach Measuring Instrument meter won't power on, first ensure the batteries are correctly installed, paying attention to the polarity markings. If that doesn't work, try cleaning the battery terminals and installing new batteries. You can also connect an AC power adapter to test the device.