Written by
Elena Marsh Appliance Care EditorPublished October 29, 2026
VERIFIED
Error code33
ApplianceCooktop
If your Kenmore induction cooktop flashes 33, the filter control board is delivering a voltage it should not. That one condition is all the list attaches to this code.
At a glance
Shown: 33
Fault: improper voltage output, filter control board
Cooktops: Kenmore induction models with 790 at the start of the model number and numeric-only codes
Listed remedy
The first move is to cut power to the cooktop. Next, the wire harness connections on the filter control board and on the main power control board are examined. Where those connections turn out to be good, the remedy given is a replacement filter control board.
Other codes on the same board
Code 32 reports low output from the 12-volt supply on the filter control board. Code 34 is a communication failure between the filter board and the main power board, and code 35 covers a low supply voltage or failed wiring connections.
Kenmore cooktop service in San Francisco
When 33 keeps coming back on a cooktop in San Francisco or elsewhere around the Bay Area, the next step is a technician visit through Kenmore cooktop repair. Phone (415) 825-6393 and have the model number, the code and any checks you already made on hand.
Model compatibility: Kenmore reuses codes across series and model years, so 33 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
Improper voltage output from the filter control board.
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?
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