Written by
Nora Halvorsen Appliance Care EditorPublished October 26, 2026
VERIFIED
Error code77
ApplianceCooktop
Quick facts for 77
Reads: 77
Meaning: the temperature sensor on the heat sink is broken; this is the induction housing assembly feeding the zones on the right
The listed repair
A single one is given. The technician fits a new generator circuit board on the right side.
If your display shows something else
Try 76 for a communication error, 72 or 73 for a power supply defect, or 65 for a right front sensor that reads too hot.
Electrolux cooktop repair in San Francisco
To set up work on an Electrolux induction cooktop in San Francisco or the Bay Area, call (415) 449-0036 and refer to Electrolux cooktop repair. Say which code appears, read out the model number and describe what has been tried.
Model compatibility: Electrolux reuses codes across series and model years, so 77 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
Code 77 means the heat sink temperature sensor is broken in the induction housing assembly for the right side cooking zones.
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 Electrolux appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Electrolux ECCI3068AS 30-inch induction cooktop repair for San Francisco and Bay Area homes: dead zones, pan detection and control errors tested before…
Code 21 is a LIN bus error, either no communication or a shorted bus, on the 30-inch ceramic glass induction cooktop. The manual is a service procedure.
Either 30 or 70 reports AC input voltage that is too high at the induction housing assembly. The procedure is shared with the low-voltage codes 35 and 75.
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 Electrolux appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
