E19
Jet Tech
Communication Bus Fault
Dishwasher shows E19; communication error between main board and display or remote module
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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, Damaged display PCB, Electrical noise on communication lines, Faulty main control PCB
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing control compartments.
- 1. Reseat connectors: Unplug and firmly reconnect the communication harness between the main control board and the display or remote module.
- 2. Inspect cable: Look for pinched, cut, or abraded communication cables and replace if damaged.
- 3. Check for moisture: Ensure no condensation or water has entered the control housing.
- 4. Power reset: Restore power and observe whether E19 clears after a full reset.
- When to call a technician: If the error persists, one of the PCBs may be defective and should be tested and replaced by a professional.
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Repair Difficulty
Medium
3/5
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