Sub-Zero
No Power – Electrical Supply or Control Failure
Wine cooler will not start or respond to controls; display is blank or dim.
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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
No power at outlet, Tripped breaker or GFCI, Failed power cord, Blown internal fuse on control board
How to Fix / Troubleshooting
Safety first: Use caution when working with electrical outlets. Disconnect power before opening any panels.
Step 1 – Verify outlet and breaker
- Test the outlet with another device.
- Reset any tripped breakers or GFCI outlets.
Step 2 – Inspect power cord
- Check the cord for cuts, burns, or kinks.
- If damaged, have the cord replaced by a qualified technician.
Step 3 – Control board fuse
- Some models have an internal fuse on the control board; access the board and visually inspect the fuse.
- If blown, determine and correct the cause before replacing; this is best done by a professional.
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Repair Difficulty
Medium
3/5
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