E19
Constructa
Water Softener / Regeneration Valve Fault
Dishwasher shows E19, often related to water softener or regeneration valve issues.
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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
Defective regeneration valve coil,Blocked softener channels,Loose wiring to softener valve,Control board output fault
How to Fix / Troubleshooting
Safety first: Unplug the dishwasher before accessing the side panel.
- 1. Check salt and settings: Ensure the salt reservoir is filled and the hardness setting is correct. This will not clear E19 alone but prevents further issues.
- 2. Access softener valve: On many Constructa models, the regeneration valve is mounted near the water softener on the side of the tub. Remove the side panel to locate it.
- 3. Inspect wiring: Confirm the valve's electrical connector is secure and wires are intact.
- 4. Listen for operation: During a regeneration phase (usually at the end of a cycle), you may hear the valve click. Lack of sound can indicate a failed coil.
When to call a technician: Replacement of the regeneration valve or softener assembly is a job for a professional due to the integrated hydraulic design.
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Repair Difficulty
Hard
4/5
Required Part
Water Softener Regeneration Valve
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