Ed
Blomberg Defrost Circuit / Defrost Duration Error

Display shows Ed and the refrigerator may not defrost correctly, with frost building up on the back wall.

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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

Defrost cycle not completing, Defrost heater underperforming, Faulty defrost sensor, Control board defrost timing error

How to Fix / Troubleshooting

Safety first: Unplug the refrigerator before accessing the freezer rear panel.

Manual defrost:

  • Open doors and unplug the unit for 12–24 hours to melt all ice. Place towels to catch water.
  • This will temporarily restore airflow and cooling.

Inspect defrost components:

  • After defrosting, remove the freezer rear panel.
  • Check the heater, sensor, and wiring for visible damage or loose connections.

Monitor: Reassemble, restore power, and monitor for new frost over several days. If Ed returns, a component in the defrost circuit or the control board likely needs replacement and should be tested by a technician.

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Repair Difficulty

Hard 4/5

Required Part

Defrost System (Heater/Sensor)
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