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Error Code

Kenmore Cooktop Code 34 Filter-to-Main Board Link

Plain-language guidance for Kenmore code 34 on Cooktop — symptoms, safe checks, and when to call a technician.

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At a glance

Error code overview

A plain-language snapshot of 34 for Kenmore Cooktop — confirm the model series before you act.

Daniel Reeves Written by Daniel Reeves Appliance Repair Content Specialist Published October 20, 2026

Content status Verified

Error code 34
Appliance Cooktop
Quick answer

A 34 means the filter and main power control boards are not communicating. Harness connections come first, then board replacement in the manual's order.

Model compatibility

Kenmore reuses codes across series and model years, so 34 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

Communication failure between the filter control board and the main power control board.

Why 34 appears

The filter control board and the main power control board are failing to communicate.

Order of work

Power comes off first. Harness connections on the boards get checked. Good connections lead to a new main power control board, and if the fault stays, the filter control board is replaced too.

Models

This belongs to the Kenmore 790 induction series, which shows numeric codes without a letter.

Codes to compare

The main-to-filter communication code: a communication error between the main power and filter boards. The supply voltage code: low supply voltage or failed wiring connections. The low filter supply code: low voltage from the filter board’s own supply.

Cooktop service in the metro areas we cover

Households in the Miami, New York, Houston, Los Angeles and San Diego metro areas can book Kenmore cooktop repair by calling (844) 747-3641. Say that the cooktop shows 34 and read out the model number.

Source: Sears PartsDirect – induction cooktop (790 model) error codes

Caution

Safety warning

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.

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(844) 747-3641
Phone (844) 747-3641
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