Samsung Ovens & Ranges

Error Code C-72

Drain system unable to evacuate water within time limit

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-72

What This Means

Drain pump motor failure; Drain pump wire disconnected; Sub generator ground wire disconnected; Water tank sensor failure; Main PCB failure

What actually causes this:

Pump failure, clogged drain line, loose connection, or control board failure

First Thing to Check

Verify drain pump motor has power and can operate manually

Parts Involved

Drain Pump MotorWater Tank SensorSub GeneratorMain PCB

How to Fix

  1. 1

    Check drain pump operation and wire connections

  2. 2

    Verify drain pump motor spins

  3. 3

    Check ground wire on steam sub generator

  4. 4

    Check water level sensor connection

  5. 5

    Measure motor voltage when drain commanded

This Error Applies To

Samsung DOC30P977D Series Ovens & Ranges

Service manual exact match: NQ70M9770DService manual exact match: DOC30P977DService manual exact match: NQ70M7770D

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