E20
Camry
Internal Memory or Firmware Error
E20 displayed, unit may shut down unexpectedly and restart after a power cycle.
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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
Corrupted control board firmware, Voltage spikes affecting memory, Defective main control PCB, Poor grounding
How to Fix / Troubleshooting
Safety first: Unplug the unit before inspecting internal boards.
- Perform a hard reset: Unplug the Camry ice maker for at least 10 minutes to allow capacitors to discharge, then plug back in.
- Check power quality: Avoid using unstable power sources or generators. Plug directly into a grounded outlet.
- Inspect main PCB: Remove the control board cover and look for obvious damage or corrosion.
- Surge protection: Consider using a quality surge protector to prevent future firmware corruption.
If E20 recurs frequently, the main control PCB likely needs replacement.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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