Error Code NO_KNOB_LED
Backlight power supply or LED failure
Minor
Usually easy to fix - may resolve on its own
Also displayed as: Knob LED does not light
What This Means
Power cord not connected; DC wire harness disconnected; No voltage at power cord connector; No voltage at wire harness-main housing; No voltage at PCB connector CN300; LED switch not working or broken plastic tabs; Faulty PCB or knob LED
What actually causes this:
Loose connections or burnt out LED components
First Thing to Check
Check power cord is plugged in and connectors are seated
Parts Involved
How to Fix
- 1
Make sure power cord is connected
- 2
Check DC wire harness is connected well
- 3
Check voltage of power cord connector housing [120V expected]
- 4
Check voltage of wire harness-main housing [CN02, CN210 expected]
- 5
Check voltage of PCB connector [CN300 expected]
- 6
Check if LED switch is working correctly and no broken plastic tabs
This Error Applies To
Samsung DTT48T963 Series Ovens & Ranges (2022) (2022–present)
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