Error code reference

Whirlpool Washer Error Code F18

Suds (foam) detected during wash cycle - washer is unable to drain the water after the wash cycle or unable to spin after several attempts.

SourceWhirlpool Washer - Tech Sheet: Service Diagnostics & Repair (W10858389)p. 10

Diagnostic procedure

The full F18 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Verify consumer used correct amount of HE detergent; check for pump hose problems.

SourceWhirlpool Washer - Tech Sheet: Service Diagnostics & Repair (W10858389)p. 10

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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