E19
Rayne
Auxiliary Sensor Communication Fault
E19 displayed and unit indicates sensor communication error
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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
Loose sensor harness, Damaged sensor (e.g., temperature or leak sensor), Faulty sensor input on control board, Corroded connectors
How to Fix / Troubleshooting
Safety first: Unplug the softener before unplugging or plugging any sensor connectors.
- 1. Identify sensor: Refer to your Rayne model manual to determine which sensor is associated with E19 (e.g., temperature, leak, salt).
- 2. Inspect connectors: Locate the sensor and follow its cable to the control board. Reseat both ends of the connector.
- 3. Check for damage: Look for cuts, pinched sections, or corrosion on the sensor and wiring. Replace if damaged.
When to call a technician: If reseating and inspection do not clear E19, the sensor or control board input may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Rayne auxiliary sensor harness
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