What the appliance detected
Detected condition
The dishwasher is in Heat Delay or Heater On mode.
What may contribute
Possible causes
- The dishwasher may be heating water as part of normal operation.
- Colder incoming water can make the delay longer.
Start conservatively
Safe preliminary checks
Work in order and stop whenever a step is not supported by the documentation for your model.
Record the display and model
- Photograph or write down the exact code or message before clearing it.
- Confirm the full model number and Frigidaire owner manual before taking model-specific action.
Use only documented external checks
- Allow the dishwasher time to complete the heat-delay portion of the cycle.
- Confirm the display is Hd or HO rather than a different error code.
- Check the owner manual for model-specific cycle behavior.
Stop before internal work
- If the code remains after documented checks, request support or service.
- Do not remove panels, bypass latches, or access wiring, pumps, heaters, controls, or internal components.
Actions not recommended
- Do not reach into wet areas while power is connected.
- Do not open electrical, pump, heater, latch, or control areas.
- Do not replace parts based only on the displayed code or message.
When to stop and request service
- A different fault code appears.
- The dishwasher never progresses beyond the delay.
- Heating, wiring, or control diagnosis would be needed.
Documented source
Official information reviewed
Our summary is based on manufacturer support material and stays within the limits of that material.
Frigidaire Owner Support
Dishwasher Error Codes and Alarms GuideFrigidaire Owner Support
Dishwasher Error Code Hd or HO - Heat delay or heater on mode activated
Source reviewed by Appliance Help HQ: August 17, 2026.
Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by Frigidaire.
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