Written by
Jordan Avery Appliance Repair Content SpecialistPublished October 20, 2026
Content status:
Verified
Error codeHd / HO
ApplianceDishwasher
Quick answer
A Frigidaire dishwasher shows Hd or HO while heating water before washing.
Model compatibility: Frigidaire has used more than one control platform, so Hd / HO may mean something different on another appliance or generation. Confirm this against your model documentation and record your full model number before acting.
Plain language
What this code means
Hd or HO shows a heat delay before washing.
What Hd or HO shows
Heat delay: the dishwasher is bringing the water up to heat ahead of the wash. Frigidaire words this as heater on mode activated.
Is it a problem?
The guide attaches no owner steps to Hd or HO. If your dishwasher shows a different message, check these related codes.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Frigidaire appliance?
Book a repair visit for a clear estimate and approval before any work. Share the full model number and the exact code so diagnosis can start with the right path.
When a Frigidaire dishwasher stops working, start with the exact symptom, model number and any displayed code. The goal is to identify the failed system before parts are replaced.…