Whirlpool Dishwasher Error F12

⚡ Quick Answer: The Whirlpool Dishwasher error F12 indicates a malfunction related to the diverter valve, which controls water distribution. This error may appear at ... ✅ DIY Fixable

What Does Error F12 Mean?

The Whirlpool Dishwasher error F12 indicates a malfunction related to the diverter valve, which controls water distribution. This error may appear at startup or during a wash cycle, often causing the dishwasher to stop mid-cycle or fail to drain properly. Users may notice that the upper rack is not receiving water, particularly when running a half-load. Common causes include a jammed or failed diverter valve and motor failure.

Common Symptoms:

  • Error F12 appears on the display either at startup or during a cycle
  • Dishwasher may stop mid‑cycle or fail to complete wash
  • Possible water distribution issues

Possible Causes

  • Diverter valve jammed or failed (medium)
  • Diverter valve motor failure (medium)

How to Fix Error F12

DIY Fix Basic checks before technician intervention

  1. Turn off and disconnect dishwasher from power.
  2. Check for obvious blockages or debris around the spray arms and interior that could impede water flow.
  3. Ensure the dishwasher completes other cycles without issue after a reset.

Technician Only Inspect and Replace Diverter Valve or Motor

  1. Disconnect appliance from mains power.
  2. Remove access panels to locate the diverter valve assembly under the water inlet.
  3. Test the diverter valve motor for continuity and proper operation.
  4. Replace the diverter valve/motor assembly if found faulty.
  5. Reassemble and test the dishwasher cycle to confirm resolution.

Parts needed: Diverter valve assembly, Diverter valve motor

🛑 When to Call a Pro:
  • If error persists after basic water flow and blockage checks
  • If the user is not comfortable accessing internal components
  • If multiple error codes accompany F12

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-30 ohms
part_number W10721967
voltage_rating 120V AC

Common Questions

What does F12 error mean on Whirlpool Dishwasher?

F12 indicates a malfunction in the diverter valve, affecting water distribution and causing the dishwasher to stop or fail to drain.

Can I fix Whirlpool Dishwasher F12 error myself?

Yes, you can perform basic checks such as inspecting for blockages and resetting the dishwasher before calling a technician.

How much does it cost to fix F12 error?

Repair costs typically range from $80 to $250 for parts and labor, depending on your region and model.

When should I call a technician for F12?

Call a technician if the error persists after basic checks, if you're uncomfortable accessing internal components, or if multiple error codes appear.

Data last verified: 2026-01-11

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