E15
Bosch
Overvoltage/Undervoltage or Power Supply Fault
Display shows E15 and the unit shuts down or will not start after a power event
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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
Recent power surge or outage, Defective power supply section on main control board, Loose power cord connection, Faulty outlet or house wiring
How to Fix / Troubleshooting
Safety: Always unplug the appliance before inspecting the power cord or internal components.
Steps to address E15:
- Check the outlet: Plug another device into the same outlet to confirm it has stable power. Avoid using extension cords or power strips.
- Inspect power cord: Look for cuts, kinks, or burn marks on the Bosch wine cooler's power cord. Replace the cord if damaged.
- Power reset: Unplug the cooler for at least 10 minutes to allow the control board to discharge, then reconnect.
- Surge protection: Consider using a high-quality surge protector to prevent future damage from power spikes.
- Control board replacement: If E15 persists and the outlet is known good, the main control board's power supply section may be damaged and should be replaced by a qualified technician.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board
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