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David FloresAug 27, 2025
What to do if Ecolab EcoAdd shows Error 406?
- KKimberly PayneAug 27, 2025
If your Ecolab Water Pump displays Error 406, it means very high back-pressure is leading to motor blockage. You should: * Check the metering line for flow. * Check for pressure peaks in the metering lines. * Check back-pressure.