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Taylor Hays DDSAug 7, 2025
What to do if my Pulsafeeder MICROtrac Control Systems controller displays "9999 Err"?
- VVirginia MartinAug 7, 2025
If your Pulsafeeder Control Systems controller powers up but displays "9999 Err", you can try resetting the limit by pressing the M (Mode) button when conductivity is back in range. Also check the probe wiring. If the problem persists, the conductivity probe may be faulty and require replacement.
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