Samsung Dishwasher error code
Samsung Dishwasher Error UC
Unplug dishwasher for 15 minutes to reset all electronic components.
Unplug dishwasher for 15 minutes to reset all electronic components.
Try these first
Start here before buying a part or taking the appliance apart.
- 1Unplug dishwasher for 15 minutes to reset all
Unplug dishwasher for 15 minutes to reset all electronic components.
- 2Remove top panel, control console, and lower access
Remove top panel, control console, and lower access panel to expose all internal harnesses.
- 3Reseat every wiring harness connector between main board,
Reseat every wiring harness connector between main board, display board, motor, and sensors.
A quick explanation
What does UC mean?
Unplug dishwasher for 15 minutes to reset all electronic components.
The answer you came for
How to fix Samsung dishwasher error UC
Start with the safest checks and work from simple to technical.
- 1
Unplug dishwasher for 15 minutes to reset all
Unplug dishwasher for 15 minutes to reset all electronic components.
- 2
Remove top panel, control console, and lower access
Remove top panel, control console, and lower access panel to expose all internal harnesses.
- 3
Reseat every wiring harness connector between main board,
Reseat every wiring harness connector between main board, display board, motor, and sensors.
- 4
Clean all connector pins with electrical contact cleaner
Clean all connector pins with electrical contact cleaner. Allow 5 minutes drying time.
- 5
Inspect entire harness routing for pinched wires, rodent
Inspect entire harness routing for pinched wires, rodent damage, or abrasion near metal edges.
- 6
Verify all ground connections are tight and corrosion-free
Verify all ground connections are tight and corrosion-free at chassis mounting points.
- 7
If error persists after reseating
If error persists after reseating: replace main control board using OEM part DD92-00001A.
- 8
Transfer all connectors to new board one-by-one
Transfer all connectors to new board one-by-one. Secure mounting screws to 4 in-lbs torque.
- 9
Restore power
Restore power. Enter diagnostic mode (Temp+Delay Start+Power) to verify communication with all subsystems.
- 10
Run full system diagnostic test sequence to confirm
Run full system diagnostic test sequence to confirm error clearance and proper operation of all components.
Read the additional checks from the current guide
How to Fix Dishwasher Error Unplug dishwasher for 15 minutes to reset all electronic components.Remove top panel, control console, and lower access panel to expose all internal harnesses.Reseat every wiring harness connector between main board, display board, motor, and sensors.Clean all connector pins with electrical contact cleaner. Allow 5 minutes drying time.Inspect entire harness routing for pinched wires, rodent damage, or abrasion near metal edges.Verify all ground connections are tight and corrosion-free at chassis mounting points.If error persists after reseating: replace main control board using OEM part DD92-00001A.Transfer all connectors to new board one-by-one. Secure mounting screws to 4 in-lbs torque.Restore power. Enter diagnostic mode (Temp+Delay Start+Power) to verify communication with all subsystems.Run full system diagnostic test sequence to confirm error clearance and proper operation of all components.
Recommended part
Recommended part for this error code
Part listed in the current guide
OEM candidate: DD92-00001A
Price noted in the current guide: $148
Why this part is shown: It is associated with Samsung Dishwasher error UC in the current guide. The error code alone does not prove this part has failed.
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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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