E13
Thermador
High Voltage / Low Voltage Supply Error
E13 error; audible alarm may sound and unit may shut down or limit operation.
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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
Unstable household supply voltage, Loose power cord connection, Faulty internal power supply on main control board, Surge damage to control electronics
How to Fix / Troubleshooting
Safety: Turn off power at the breaker before inspecting the power connection. Do not work on live mains wiring.
Steps:
- Check outlet and circuit: Verify the wine cooler is on a dedicated, properly grounded outlet. Avoid extension cords or power strips.
- Inspect power cord: Check for cuts, burns, or loose plug blades. Replace the cord if damaged.
- Measure supply voltage: Have a qualified person measure the outlet voltage. It should be within the range specified on the rating plate (typically ~120V AC in North America).
- Control board inspection: Remove the rear panel and inspect the main control board for burnt components, swollen capacitors, or scorch marks. Surge damage often requires board replacement.
- Surge protection: After repair, consider using a surge protector rated for appliances to protect electronics from future spikes.
Note: If household voltage is unstable, contact an electrician; the appliance cannot correct supply issues.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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