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Samsung Ovens & Ranges2017–present

Error Code C-72

Steam drainage pump not removing water completely

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-72

What This Means

Clogged drain pump or line; Water level sensor malfunction; Drain pump motor failure; Generator ground wire loose

What actually causes this:

Mineral buildup in drain line, drain pump motor stuck, or water sensor giving false reading

First Thing to Check

Check that drain outlet is not blocked or kinked

Parts Involved

Steam generatorDrain pumpWater level sensorMain PCB

How to Fix

  1. 1

    Check ground wire on steam generator

  2. 2

    Check drain pump motor operation

  3. 3

    Verify drain pump wire connections

  4. 4

    Check water level sensor

This Error Applies To

Samsung DOB30M977D Series Ovens & Ranges (2017) (2017–present)

Service manual exact match: DOB30M977D*

Related Error Codes

C-30

Internal PCB thermal protection sensor not responding

C-A2

Cooling fan motor not responding to control signals

C-d1

Door lock mechanism is not responding or is stuck

C-F0

Central control PCB cannot communicate with display control board

C-F2

Touch panel cannot communicate with main control board

C-20

Temperature sensor is disconnected or failed - oven cannot measure temperature

C-70

Steam function cannot measure steam temperature

C-23

Meat temperature probe circuit is shorted

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