Written by
Elena Marsh Appliance Care EditorPublished October 29, 2026
VERIFIED
Error code31
ApplianceCooktop
Display: 31. Meaning: power level failure. Applies to: Kenmore induction cooktops whose model number starts with 790.
Steps from the manual
Power off.
Inspect the blue and black wires of the harness joining the main power control board to the filter control board.
Connections fine? Then one or both boards has failed.
Naming the failed board and swapping it are jobs for a technician.
Codes tied to the same two boards
Code 30: high supply voltage or internal wiring failure
Code 32: low output from the 12-volt supply on the filter control board
Code 34: a communication failure between the filter and main power boards
Cooktop repair near you in San Francisco
Technicians cover Kenmore cooktop repair in San Francisco and the wider Bay Area. Phone (415) 825-6393 and mention 31, the model number and the harness checks you have made.
Model compatibility: Kenmore reuses codes across series and model years, so 31 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 31 signals a power level 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 Kenmore 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 Kenmore appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
