ER 24
Dacor Freezer Defrost Error

Display shows ER 24, freezer may be warm and frost may build up on the evaporator.

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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

Open freezer defrost heater, Failed defrost thermostat, Faulty freezer defrost sensor, Main PCB defrost circuit failure

How to Fix / Troubleshooting

Safety: Disconnect power before accessing the freezer evaporator.

This code indicates the freezer defrost system is not working.

  • Inspect frost pattern: Remove the rear interior panel of the freezer to expose the evaporator. Heavy ice buildup indicates defrost failure.
  • Check heater and thermostat: Visually inspect for damage. Use a multimeter to test continuity of the heater and defrost thermostat (when cold).
  • Manual defrost: As a temporary fix, fully defrost the freezer by unplugging and leaving the door open until all ice melts. This restores airflow but the underlying issue must be repaired.

Because this involves electrical testing and component replacement, professional service is often recommended.

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Repair Difficulty

Professional Required 5/5

Required Part

Freezer Defrost Heater
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