Err 17
EcoWater
Temperature / Conductivity Sensor Fault (if equipped)
Display shows “Err 17” and the unit indicates a sensor out-of-range condition.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed temperature or conductivity probe, Sensor wiring open or shorted, Sensor not fully immersed, Control board ADC failure
How to Fix / Troubleshooting
Safety first: Unplug the unit before accessing any sensor wiring. Close bypass valves if removing any wet sensors.
Steps to correct:
- 1. Identify sensor: Consult your EcoWater manual to locate the temperature or conductivity sensor used for advanced diagnostics.
- 2. Inspect wiring: Check the sensor cable for cuts, abrasions, or loose connectors. Reseat the connector at the control board.
- 3. Check sensor placement: Ensure the sensor probe is properly installed in the flow path or brine tank as specified and is not hanging dry.
- 4. Replace sensor: If wiring is intact but Err 17 persists, replace the EcoWater sensor with the correct part number.
- 5. Board diagnosis: If a new sensor does not resolve the error, the control board’s sensor input circuit may be defective and require board replacement.
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Repair Difficulty
Medium
3/5
Required Part
EcoWater Temperature / Conductivity Sensor
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