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Samsung Ovens & Ranges2020–present

Error Code C-72

Steam drain pump circuit malfunction

Moderate

Address soon - your appliance may not work properly

Also displayed as: C-72

What This Means

Ground wire disconnection on steam generator; Pump motor not operating; Faulty wire connection to pump motor; Main PCB failure

What actually causes this:

Pump motor failure, disconnected ground, or water sensor reading error

First Thing to Check

Check ground wire connection on steam generator; verify pump motor operation

Parts Involved

Drain pump motorWater level sensorSteam generatorMain PCB

How to Fix

  1. 1

    Check ground wire on steam generator connection

  2. 2

    Check pump motor operation

  3. 3

    Verify wire connection to pump motor

  4. 4

    If problem persists, check Main 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-d0

Keypad control circuit short circuit

C-20

Oven temperature sensor malfunction

C-A2

Cooling fan motor circuit malfunction

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