Whirlpool Dishwasher Error UO

⚡ Quick Answer: The Whirlpool Dishwasher error code UO typically indicates a water supply issue, often resulting in the appliance failing to fill properly. This may l... ✅ DIY Fixable

What Does Error UO Mean?

The Whirlpool Dishwasher error code UO typically indicates a water supply issue, often resulting in the appliance failing to fill properly. This may lead to unusual sounds during operation or a complete halt. If you encounter this error, it is essential to verify the model-specific error code and consult Whirlpool support for further assistance.

Possible Causes

  • Water inlet valve failure
  • Clogged water supply line
  • Faulty float switch

How to Fix Error UO

DIY Fix Verify model‑specific error code and consult Whirlpool support

  1. Check the exact display format (lights, letters, numbers) against your specific Whirlpool dishwasher model’s manual or error code list.
  2. Search the exact model number on Whirlpool’s official support site to find documented error interpretations.
  3. If the code persists and is not recognized, note any simultaneous symptoms (no start, pauses, unusual noises, lights flashing) to provide context to support.

Technician Only Contact Whirlpool professional support for an undocumented code

  1. Provide the model and serial number to Whirlpool support and describe the exact display and symptoms.
  2. Have the technician run diagnostics with official tools; undocumented codes might require internal diagnostic mode entry.
  3. If needed, schedule a service visit to inspect control board communication and sensors.
🛑 When to Call a Pro:
  • If the error continues after basic verification and reset attempts.
  • If the dishwasher is non‑functional and no documented meaning can be found in official Whirlpool sources.

Technical Specifications

wattage 15W
component Water Inlet Valve
resistance 3-5 ohms
part_number W10882836
voltage_rating 120V AC

Common Questions

What does UO error mean on Whirlpool Dishwasher?

UO error indicates a potential water supply issue, often leading to failure in filling.

Can I fix Whirlpool Dishwasher UO error myself?

Yes, verify the model-specific error code and consult Whirlpool support for troubleshooting.

How much does it cost to fix UO error?

Repair costs vary by model and region; consult a technician for an estimate.

When should I call a technician for UO?

Call a technician if the error persists after verification and reset attempts.

Sources & References

Data last verified: 2026-01-10

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