E19
Lindsay
Internal Communication Fault
E19 error and unit indicates communication failure between display and main board
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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 communication harness, Corroded board connectors, Failed display module, Failed main control board
How to Fix / Troubleshooting
Safety first: Disconnect power before opening the control housing.
- Reseat connectors: Locate the multi-pin harness between the display module and main board. Unplug and replug it several times to clean contacts.
- Inspect for corrosion: Look for green or white corrosion on pins. Lightly clean with contact cleaner and a soft brush.
- Module swap (if available): If you have access to a known-good display or board, swap one at a time to identify the failed component.
If E19 persists after harness and connector checks, replace the defective Lindsay display module or main board as indicated.
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Repair Difficulty
Medium
3/5
Required Part
Lindsay display module
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