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Whirlpool · Washing Machine

Whirlpool Washing Machine F23 Error Code

Heater not warming water in time

What this error means

F23 is a wash-heater fault distinct from F08 on some model years. The control timed out waiting for the in-tub heater to bring water to the programmed temperature during the initial wash phase.

Common causes

  • Burned-out tub heating element
  • Corroded spade connectors at the heater terminals
  • Tripped house breaker on the dedicated washer circuit during heat
  • Main control board heater relay not closing

Step-by-step fixes

  1. 1Unplug the washer and pull the rear access panel to reach the heater wire harness
  2. 2Reseat both heater connectors and look for heat discoloration at the terminals
  3. 3Measure element resistance—an open reading confirms a failed heater
  4. 4Run a warm or sanitize cycle and monitor whether the glass door feels warmer during wash

When to call a technician

Heater replacement requires tub access and electrical testing—book service if resistance is open or F23 repeats on a warm cycle.

Affected models

  • Whirlpool WFW9150FW
  • Whirlpool WFW8620HC
  • Whirlpool WFW560CHW
Hard1 hour

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