Written by
Daniel Reyes Appliance SpecialistPublished October 20, 2026
Error codeHd / HO
ApplianceDishwasher
Quick answer
Hd, also shown as HO, is a heat delay while the dishwasher heats water before washing.
Model compatibility: Frigidaire reuses codes across series and model years, so Hd / HO may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Hd (HO) means the dishwasher is heating the water before washing.
Hd, also displayed as HO, is a heat delay message on a Frigidaire dishwasher. The unit is heating the water before it washes.
Owner guidance
Frigidaire’s guide describes it as heat delay, or heater on mode activated, and lists no owner checks.
If something else seems wrong with your dishwasher in Los Angeles, call (310) 861-3938 or visit dishwasher service. Note the display and the model number.
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 specialist visit for a clear estimate and approval before any repair.
