21ESamsung · Refrigerator · Fridge

Samsung Refrigerator error code 21E

Freezer fan motor fault

Needs attention soon

Also written as 21C

Which models this applies to. This page covers the Samsung refrigerator codes.

What is specific to the Refrigerator platform

Two-digit codes here differ from the washer set, so a Samsung fridge code is never a Samsung washer code.

Your control board prints the code as text, for example F01 or EE3, so you read it off the display rather than counting blinks. The printed number is the fault itself, not a position in a table.

Quick answer

On Samsung Refrigerator (2000s onward), 21E is a fault. It means freezer fan motor fault. A first thing to check: Fan motor bearing failed, a common long-life failure.

Applies to: Samsung Refrigerator; Samsung refrigerator codes · Refrigerator · 2000s onward
Type of code: Fault; Urgency: Needs attention soon
First safe check: Listen at the rear of the cabinet for a fan that runs when the compressor runs, and for a scrape or grind as it turns.

Checked 2026-09-26

What 21E means on this model

The fan that pushes cold air through the freezer section has failed or iced up. Without that airflow the freezer warms even though the compressor is running, which is why the fault often shows as rising freezer temperature rather than as a total failure.

Symptoms you will notice

Freezer warms up while the fresh food compartment stays cold
Ice builds up on the freezer floor or the rear wall
A humming noise from the back of the cabinet that stops when the compressor stops
Code appears on a regular schedule

Common causes

The code tells you what the control detected, not which part failed. These are the causes we see most often, roughly in order of likelihood:

Fan motor bearing failed, a common long-life failure
Ice bridging between the evaporator coil and the fan blade
Fan blade or motor housing assembly frozen in place
Defrost heater not clearing the coil as it should, so ice returns every cycle
Main board not receiving the fan speed signal
Ice maker or packaging obstructing the fan after a shelf move

What you can safely check

These are homeowner-level checks. None of them need you to open a live electrical compartment or work on gas.

Listen at the rear of the cabinet for a fan that runs when the compressor runs, and for a scrape or grind as it turns.
Check that no food or packaging is touching the rear wall where the fan sits.
Look for a heavy frost build-up on the freezer floor that keeps returning after a defrost.

Do not do these

×Do not chip ice off a coil with a knife or a screwdriver. A puncture in the coil line means a sealed-system repair.
×Do not reach the fan area with the power connected.

When to call a technician

Book a technician, do not keep resetting it

This fault will not clear on its own. Every power cycle gives the control one more failed attempt, and repeated attempts are what turn a cheap part replacement into a seized or contaminated system.

If the appliance has stopped mid-cycle, is making a noise you have not heard before, or smells burnt, stop reading here and call. Those are symptoms of something the fault code does not describe well enough.

The fan on many French door and side-by-side models is accessible after removing a rear cover, which is moderate work. Built-in and panel models are technician territory.

What it costs to fix

Parts

Freezer fan motor $40 to $120. Fan blade assembly $30 to $90. Defrost heater $30 to $80.

Labor

One to two and a half hours, longer on a built-in or French door model with a rear cover.

DIY or technician