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Appliance Fix Guide

Frigidaire Refrigerator error code

Frigidaire Refrigerator Error ER-DH

Defrost Heater Failure

Defrost Heater Failure

Updated Aug 18, 2026
✅ WORTH FIXINGParts under $100
Frigidaire refrigerator repair guide for error ER-DH
Error codeER-DHRefrigerator

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Check 1

    Unplug the refrigerator.

  2. 2
    Check 2

    Access the evaporator by removing the back panel inside the freezer.

  3. 3
    Check 3

    Visually inspect the heater element for any breaks, cracks, or burn marks.

A quick explanation

What does ER-DH mean?

Defrost Heater Failure

The answer you came for

How to fix Frigidaire refrigerator error ER-DH

Start with the safest checks and work from simple to technical.

  1. 1

    Step 1

    1. Disconnect the refrigerator from its power source.

  2. 2

    Step 2

    2. Empty all contents from the freezer section and remove any shelves.

  3. 3

    Step 3

    3. Remove the screws holding the interior back panel of the freezer. You may need to gently pry the panel off if it is frozen in place.

  4. 4

    Step 4

    4. Use a hairdryer on a low heat setting to carefully melt any ice buildup covering the silver evaporator coils. Do not use sharp objects to chip away ice.

  5. 5

    Step 5

    5. Locate the defrost heater, which is a glass or metal tube attached to the bottom of the evaporator coils.

  6. 6

    Step 6

    6. Disconnect the wire harness attached to the heater. Unclip the old heater from the coils.

  7. 7

    Step 7

    7. Clip the new defrost heater into the same position and reconnect its wire harness. Reassemble the freezer panel, shelves, and restore power.

Read the additional checks from the current guide

How to Fix ER DH Error (Step-by-Step) Disconnect the refrigerator from its power source and confirm the error stays cleared during a full test cycle.Empty all contents from the freezer section and remove any shelves.Remove the screws holding the interior back panel of the freezer. You may need to gently pry the panel off if it is frozen in place.Use a hairdryer on a low heat setting to carefully melt any ice buildup covering the silver evaporator coils. Do not use sharp objects to chip away ice.Locate the defrost heater, which is a glass or metal tube attached to the bottom of the evaporator coils.Disconnect the wire harness attached to the heater. Unclip the old heater from the coils.Clip the new defrost heater into the same position and reconnect its wire harness. Reassemble the freezer panel, shelves, and restore power.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Frigidaire Refrigerator Focused repair path: refrigerator door, airflow, sensor, defrost, dispenser, and control checks. Do not treat this as a reset-only problem if the code keeps returning; use what the appliance does during the failed part of the cycle to choose the next check. Confirm the doors close fully, the gaskets seal, and the display is not reacting to a door left open or a blocked switch. Check for blocked vents, heavy frost, stalled fans, warm compartments, or recent power interruptions before replacing electronic parts. If the code involves temperature or airflow, inspect the evaporator fan, thermistor, defrost path, wiring, and control connections. If the symptom follows a door or dispenser event, check the switch, harness, hinge wiring, and connector seating first. Use the full Frigidaire refrigerator model number before buying parts because sensors, boards, fans, and switches are model-specific. Check, inspect, clean, test, measure, remove, reconnect, clear, and replace parts only when the symptom supports that path. If these checks point toward a part, verify the complete Frigidaire model number from the appliance tag before ordering. The same error wording can use different valves, sensors, pumps, motors, heaters, locks, switches, or control boards depending on the exact model. &tag=appliancefixg-20

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

What may be causing it?

  • The defrost heater element is faulty or broken.
  • The defrost system has failed to heat up.

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

Defrost Heater

Price noted in the current guide: $40-$90

Why this part is shown: It is associated with Frigidaire Refrigerator error ER-DH in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete refrigerator model number before ordering.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

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Replacement options

Ready to replace your refrigerator?

If repairing this refrigerator no longer feels worthwhile, compare three replacement paths below.

Why shop your replacement on Amazon?

  • Fast, free delivery

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    Select large appliances may offer scheduled or Room of Choice delivery.

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    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

Free quick sheet

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