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Samsung Ovens & Ranges2020–present

Error Code C-d0

Keypad control circuit short circuit

Moderate

Address soon - your appliance may not work properly

Also displayed as: C-d0

What This Means

Keypad cable not inserted into connector on sub PCB; Short circuit between Sub PCB connector pins; Short circuit between keypad and cable; Damaged connector or keypad

What actually causes this:

Damaged keypad cable, shorted connector pins, or water damage in control panel

First Thing to Check

Check keypad cable insertion; test for continuity between connector pins

Parts Involved

Keypad cableSub PCBTouch control PCBGlass panel

How to Fix

  1. 1

    Disconnect power

  2. 2

    Check if keypad cable is inserted into connector on sub PCB

  3. 3

    Check for shorts between Sub PCB connector pins and pins

  4. 4

    Check for shorts between keypad and cable

  5. 5

    If no faults found, replace Sub PCB

This Error Applies To

Samsung NV51M9770S Series Ovens & Ranges (2020) (2020–present)

Service manual exact match: NV51M9770SSService manual exact match: DOB30P977SS

Related Error Codes

C-31

Safety interlock triggered - excessive temperature detected

C-F2

Display/touch panel communication failure

C-21

Oven temperature control failure - overheating

C-23

Temperature probe circuit fault

C-70

Steam generation temperature sensor circuit open

C-72

Steam drain pump circuit malfunction

C-20

Oven temperature sensor malfunction

C-A2

Cooling fan motor circuit malfunction

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