E15
Neff Internal Leak or Condensate Overflow Protection

Wine cooler shows E15 and may shut down cooling; sometimes accompanied by continuous beeping.

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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

Blocked condensate drain channel, Cracked drain tray, Excessive condensation due to door seal failure, Internal water leak triggering float switch (if equipped)

How to Fix / Troubleshooting

Safety: Unplug the appliance before inspecting for water leaks.

Steps to address E15:

  • Check for water: Remove the lower kick plate or rear panel and look for standing water in the base tray.
  • Dry the base: Carefully soak up water with towels or a sponge. If there is a float switch, gently lower it after drying so it resets.
  • Clear drain channel: Inside the cabinet, locate the condensate drain hole (usually at the rear). Use a soft pipe cleaner or flexible brush to clear any blockage.
  • Inspect drain tube and tray: From the rear, check that the drain tube is properly connected and not kinked. Ensure the drain tray above the compressor is not cracked or overflowing.
  • Check door gasket: Replace a damaged gasket that allows warm, moist air to enter and create excess condensation.
  • Monitor: After reassembly and restoring power, monitor for recurrence. If E15 returns and water reappears, an internal leak or insulation issue may require professional service.
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Repair Difficulty

Medium 3/5

Required Part

Condensate Drain System
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