E17
Judo
Regeneration Flow Rate Fault
E17 error and the Judo softener reports an abnormal flow during regeneration (too high or too low)
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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
Incorrect or missing Judo flow restrictor, Blocked injector or drain line, Bypassed or mis-plumbed installation, Flow sensor misreading during regeneration
How to Fix / Troubleshooting
Safety first: Isolate the softener and depressurize before removing any flow components.
- Verify plumbing: Confirm the inlet and outlet are connected to the correct ports on the Judo valve. Cross-connection can cause abnormal flows.
- Inspect flow restrictors: Check that the correct Judo drain and brine flow restrictors are installed and not drilled out or missing. Replace with genuine parts if altered.
- Clean injector and drain: Remove and clean the venturi injector and drain line as described for E04 and E07.
- Check flow sensor: Ensure the turbine or flow meter used during regeneration is clean and correctly wired. Replace the Judo turbine flow meter sensor if readings are erratic.
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Repair Difficulty
Medium
3/5
Required Part
Judo drain flow restrictor
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