How do I fix error code C-72 on a Samsung ovens & ranges?

1. undefined: Check ground wire on steam generator 2. undefined: Check pump motor operation and wire connection 3. undefined: Verify water level sensor is functioning

Samsung Ovens & Ranges2020–present

Error Code C-72

Drain pump failure or water sensor malfunction in steam system

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-72

What This Means

Faulty drain pump motor; Clogged drain pathway; Disconnected ground wire on steam generator; Faulty pump motor connection

What actually causes this:

The drain pump is not working or water is not draining from the steam reservoir

First Thing to Check

Check if ground wire is connected to the steam generator assembly

Parts Involved

Drain pump motor (RY214)Water level sensorGround wire on steam generatorMain PCB

How to Fix

1
Check ground wire on steam generator
2
Check pump motor operation and wire connection
3
Verify water level sensor is functioning

This Error Applies To

Samsung DOB30P977D Series Ovens & Ranges (2020) (2020–present)

Service manual exact match: DOB30P977DSService manual exact match: NV51M9770DS

Related Error Codes

C-21

Oven temperature control failure causing excessive heating

C-23

Temperature probe sensor short circuit detected

C-70

Steam temperature sensor open circuit detected

C-F0

Main and sub control board communication failure

C-d0

A control button is stuck in pressed position

C-A2

Cooling fan motor failure

C-30

PCB internal temperature sensor open circuit

C-71

Steam temperature sensor short circuit

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