Kenmore Washer Error Code F35

The F35 code means the Motor Control Unit detected four undervoltage events during a single wash cycle, which is classified as a repetitive undervoltage failure. The washer shuts down to protect the motor and control electronics from the effects of low-voltage operation. The root cause may be in the household power supply, the internal wiring harness, the interference filter, or the MCU itself.

You should not continue running the washer while the F35 code is active. Repeated undervoltage conditions can cause further damage to the MCU and drive motor over time. Diagnose and resolve the fault before resuming normal use to avoid more costly repairs.

Resetting the washer may temporarily clear the F35 code, but if the underlying cause has not been corrected, the fault will return once the washer detects four undervoltage events again in a subsequent cycle. A reset is useful for confirming whether the problem is intermittent, but it is not a substitute for properly diagnosing and repairing the source of the undervoltage condition.

Some causes of the F35 code are within reach for a knowledgeable DIYer. You can check your outlet voltage, inspect the circuit breaker, and examine the wire harness connections at the MCU, CCU, and interference filter for looseness or corrosion without special tools. If those checks pass, replacing the interference filter is also a manageable repair. MCU or CCU replacement is more involved and may require a professional technician.

Repair costs vary depending on the root cause. If the issue is a loose connection or household wiring problem, costs may be minimal. An interference filter replacement typically runs in the range of $20 to $80 for the part. MCU replacement parts generally range from $100 to $250, and professional labor charges will add to that total depending on your area and service provider.