Corrupted data on the board-to-board link

Pull the plug for a few minutes so both processors cold-boot and shed a transient bus glitch
Unclip and re-home the ribbon bridging the two boards, feeling each end snap fully seated
Brighten the connector fingers and wipe away any green film that lets a data line drop out
When the loom checks clean, swap the central control first, since it garbles the bus more often than the motor unit
Pro Diagnostic Tip
Both are Whirlpool-platform 110-prefix faults, but where the no-comms cousin means silence on the bus, this one means the boards are talking yet the data arrives scrambled. That pattern almost always starts at a loose serial connector, so reseat the CCU-to-MCU cable before suspecting either board.
Repair Difficulty
Hard — Advanced Skills RequiredEstimated Repair Cost
$175–$400
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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Error code F28 is a high-severity issue that can cause further damage to your washer if left unresolved. A licensed technician can diagnose and fix it the same day.
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Kenmore error code F28 indicates: Corrupted data on the board-to-board link. This is a high-severity issue affecting your washer.
Pull the plug for a few minutes so both processors cold-boot and shed a transient bus glitch Then, Unclip and re-home the ribbon bridging the two boards, feeling each end snap fully seated Then, Brighten the connector fingers and wipe away any green film that lets a data line drop out There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
Besides the error code on the display, common signs include: The washer quits partway through at random; A different fault code turns up on each run; The display flickers or paints corrupted data. If you notice any of these symptoms, check your washer's display panel for error code F28.
Repair costs for Kenmore F28 typically range from $175 to $400 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.