Error code reference

Electrolux Refrigerator Error Code HD

The dishwasher is in a heat delay (also displayed as HO).

Electrolux codesElectrolux refrigerator codes

The dishwasher is in a heat delay (also displayed as HO).

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What HD means on a Electrolux refrigerator

The HD error code (also displayed as HO) on an Electrolux refrigerator indicates that the unit has entered a heat delay state. Despite appearing on a refrigerator, this code references dishwasher-specific logic, which points to a shared control platform or a firmware display quirk where the heat delay routine is being flagged. The control board has detected conditions that require it to pause or delay a heating cycle before proceeding with normal operation.

For homeowners, think of this as the appliance's control system putting a temporary hold on a heat-related function. This is not always a sign of a broken part. In some cases, the refrigerator is simply waiting for internal temperatures or voltage conditions to stabilize before continuing. The code may clear on its own once those conditions are met.

However, if HD or HO persists without clearing, it can indicate a deeper issue with the control board, a temperature sensor feeding incorrect data, or a wiring problem that is keeping the heat delay active indefinitely. Monitoring whether the code clears after a power cycle is the first diagnostic step.

Source: manufacturer service documentation.

Common causes of HD

  1. 01

    Persistent heat delay due to temperature or voltage instability

    Wiring / connection

    The control board triggers the heat delay state when it detects out-of-range temperatures or unstable power supply conditions. If the unit is in a warm environment or was recently plugged in, the delay may be a normal temporary state.

  2. 02

    Faulty temperature sensor sending incorrect data

    Part replacement

    A defective thermistor or temperature sensor can report inaccurate readings to the control board, causing the board to remain locked in heat delay mode indefinitely rather than resuming normal operation.

  3. 03

    Control board firmware or hardware malfunction

    Part replacement

    Because HD is associated with dishwasher heat delay logic appearing on a refrigerator platform, a control board fault or firmware error may be causing the wrong code to display or the heat delay routine to activate incorrectly.

  4. 04

    Wiring harness issue affecting heat-related components

    Part replacement

    Damaged or loose wiring between the control board and heating or sensing components can prevent the board from receiving the signal it needs to exit the heat delay state, leaving HD active on the display.

See the test procedure for each cause

Frequently asked questions about HD

What does the HD error code mean on an Electrolux refrigerator?
HD on an Electrolux refrigerator means the unit is in a heat delay state. It may also appear as HO. The control board has triggered a delay in a heat-related function, waiting for certain conditions to be met before resuming normal operation. In some cases this is a temporary state that clears on its own.
How do I fix the HD error code on my Electrolux refrigerator?
Start by performing a hard reset: unplug the refrigerator for 5 minutes, then restore power. If HD or HO clears and does not return, no repair is needed. If the code comes back, the next steps are checking the temperature sensors for correct resistance values and inspecting the wiring harness for damage. A persistent HD code that does not respond to a power cycle may require control board replacement.
Is it safe to use my Electrolux refrigerator while the HD code is displayed?
If the refrigerator is still maintaining proper cooling temperatures, it is generally safe to use in the short term while you diagnose the issue. Check that food compartments are staying at or below 40 degrees Fahrenheit. If temperatures are rising or the compressor does not appear to be running normally, stop using the unit and address the fault before storing perishables.
Why does my Electrolux refrigerator show a dishwasher error like HD?
Electrolux uses shared control platforms across multiple appliance types, and some refrigerator control boards include firmware that can display dishwasher-specific codes such as the heat delay (HD or HO). This can happen due to a control board fault, a firmware anomaly, or a misidentified sensor condition. If the code persists after a power reset, the control board should be evaluated.
How much does it cost to repair the HD error on an Electrolux refrigerator?
If the fix is a power reset, the cost is nothing. A replacement thermistor or temperature sensor typically costs between $20 and $60 for the part, and installation is a manageable DIY repair on most models. A control board replacement is the most expensive possibility, with parts ranging from $100 to $300 or more depending on the model, plus labor if you hire a technician.

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