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Appliance Fix Guide

Samsung Washer error code

Samsung Washer Error UC

Unplug washer for 30 seconds to reset PCB memory and clear transient fault.

Unplug washer for 30 seconds to reset PCB memory and clear transient fault.

UnknownStart with 5-15 minutes of safe checks
⚠️ CHECK WARRANTY / AGE$100 - $250 Range
Samsung washer repair guide for error UC
Error codeUCWasher

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Unplug washer for 30 seconds to reset PCB

    Unplug washer for 30 seconds to reset PCB memory and clear transient fault.

  2. 2
    Verify dedicated circuit not shared with other appliances

    Verify dedicated circuit not shared with other appliances causing load fluctuations.

  3. 3
    Check outlet wiring for loose neutral connection (major

    Check outlet wiring for loose neutral connection (major cause of UC errors - measure neutral-ground voltage

A quick explanation

What does UC mean?

Unplug washer for 30 seconds to reset PCB memory and clear transient fault.

The answer you came for

How to fix Samsung washer error UC

Start with the safest checks and work from simple to technical.

  1. 1

    Unplug washer for 30 seconds to reset PCB

    Unplug washer for 30 seconds to reset PCB memory and clear transient fault.

  2. 2

    Verify dedicated circuit not shared with other appliances

    Verify dedicated circuit not shared with other appliances causing load fluctuations.

  3. 3

    Check outlet wiring for loose neutral connection (major

    Check outlet wiring for loose neutral connection (major cause of UC errors - measure neutral-ground voltage

  4. 4

    Test noise filter DC96-00488A input/output voltage drop under

    Test noise filter DC96-00488A input/output voltage drop under load (should be

  5. 5

    Replace noise filter if excessive voltage drop or

    Replace noise filter if excessive voltage drop or physical damage present.

  6. 6

    If error recurs within first minute of cycle

    If error recurs within first minute of cycle: replace main PCB DC92-01543A (faulty voltage monitoring IC).

  7. 7

    Install line conditioner if household voltage fluctuates >10%

    Install line conditioner if household voltage fluctuates >10% during operation (common in rural areas).

  8. 8

    Restart the washer and confirm the UC message

    Restart the washer and confirm the UC message returns under the same condition instead of after a one-time interruption.

  9. 9

    Check the simple causes first

    Check the simple causes first: load balance, water supply, drain flow, door or lid closure, visible leaks, and power stability.

  10. 10

    Inspect accessible wiring connectors and moisture-prone areas before

    Inspect accessible wiring connectors and moisture-prone areas before assuming the control board has failed.

  11. 11

    Use the complete Samsung washer model number from

    Use the complete Samsung washer model number from the door, lid, or rear tag before matching any pump, valve, sensor, suspension, lock, or board category.

  12. 12

    If the UC code points to a specific

    If the UC code points to a specific system, test that system directly before ordering replacement parts.

Read the additional checks from the current guide

How to Fix UC Error Unplug washer for 30 seconds to reset PCB memory and clear transient fault.Verify dedicated circuit not shared with other appliances causing load fluctuations.Check outlet wiring for loose neutral connection (major cause of UC errors - measure neutral-ground voltage

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for Samsung Washer error UC points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

Replacement options

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Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

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