Written by
Hannah Ostrowski Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeE66
ApplianceWasher
Key facts
Code: E66
Reads as: heating element relay failure
Listed for: the FAFW3577KA front loader, a 2008-era model
Technician test: (14)
Meanwhile
The test involves the heating circuit and is for a technician. Skip further cycles if heating looks affected, keep the washer unplugged, and note the code and the model number.
Heating-side codes
E67: input voltage on the microprocessor or heater sensing
E68: leakage to ground on the heater or an opened fuse
To arrange help in San Francisco or the Bay Area for E66, phone (415) 319-6371. Mention the model, the code and whether the water is heating, and see Frigidaire washer repair.
Model compatibility: Frigidaire reuses codes across series and model years, so E66 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
Heating element relay failure.
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.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
Service areas are listed on the Locations page. Contact us with your ZIP code to confirm current coverage for your address.
Ready to get your Frigidaire appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
