E15
Tower
Main Control PCB Failure
E15 error appears and the unit immediately stops; sometimes accompanied by a burning smell previously.
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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
Shorted control board components, power surge damage, burnt PCB traces, internal relay failure
How to Fix / Troubleshooting
Safety: Unplug the unit and do not attempt to operate it until inspected. Risk of electric shock and fire exists with a damaged PCB.
- Access control board: Remove the rear or side service panel to expose the main control PCB.
- Visual inspection: Look for burn marks, bulging capacitors, cracked components, or melted connectors on the board.
- Check wiring: Ensure no harnesses are shorted to the cabinet or pinched, which could have caused the failure. Correct any wiring issues.
- Replace PCB: If there is visible damage or E15 persists after a power reset, replace the main control PCB with the correct Tower replacement part.
- Use surge protection: After replacement, consider using a surge-protected outlet to reduce future damage risk.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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