Whirlpool Dishwasher Error F1

⚡ Quick Answer: The Whirlpool Dishwasher F1 error indicates a malfunction in the control board, often causing erratic display behavior and preventing the dishwasher f... ✅ DIY Fixable

What Does Error F1 Mean?

The Whirlpool Dishwasher F1 error indicates a malfunction in the control board, often causing erratic display behavior and preventing the dishwasher from starting. It can also be associated with faults in water temperature sensing. Symptoms include the cycle stopping shortly after it begins and the machine failing to progress past the initial wash or drain stages. Common causes include a faulty temperature sensor or an internal control board error.

Common Symptoms:

  • Cycle stops shortly after start
  • Dishwasher won’t proceed past initial wash/drain
  • Error code F1 (sometimes with E1) shown on control panel

Possible Causes

  • Temperature sensor (thermistor) reading out‑of‑range or faulty (medium)
  • Control board internal fault / communication error (medium)

How to Fix Error F1

DIY Fix Basic Checks & Reset

  1. Turn off and unplug the dishwasher (or flip circuit breaker) for ~5–10 minutes to reset control logic.
  2. Ensure household hot water supply to the dishwasher is within normal range.
  3. Check for obvious water leaks around base and visible hoses.

Technician Only Test and Replace Faulty Components

  1. Access internal components and test the temperature sensor/thermistor with a multimeter.
  2. Inspect and test the control board for stuck relays or communication faults.
  3. Check wiring harness continuity between sensor, board, and related components.

Parts needed: Temperature sensor / thermistor, Control board, Wiring harness

🛑 When to Call a Pro:
  • If simple resets and visual checks don’t clear the code
  • If internal components (temperature sensor or control board) need testing or replacement

Technical Specifications

wattage N/A
component Control Board
resistance N/A
part_number W10648038
voltage_rating 120V AC

Common Questions

What does F1 error mean on Whirlpool Dishwasher?

F1 error indicates a malfunction in the control board, affecting operation and display.

Can I fix Whirlpool Dishwasher F1 error myself?

Yes, you can try resetting the dishwasher and checking for leaks or ensuring the hot water supply is adequate.

How much does it cost to fix F1 error?

Estimated repair costs range from $100 to $350+, depending on parts and labor.

When should I call a technician for F1?

Call a technician if simple resets do not resolve the issue or if components need testing or replacement.

Data last verified: 2026-01-11

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