Samsung Refrigerator 40E error code

The fan that circulates cold air into the ice maker compartment is not working. Ice production slows or stops, and frost can build up around the ice maker.

Also shown as: 40E, 40C

Last updated: October 6, 2026

Quick answer: Samsung refrigerator error code 40E: ice room fan not working. The most common cause is ice buildup blocking the ice room fan blades. Try this first — power-cycle the refrigerator. If that does not clear it, defrost the ice maker area.

What causes the 40E error?

  • Ice buildup blocking the ice room fan blades
  • Failed ice room fan motor
  • Loose or damaged fan wiring connector
  • Frost from a leaky ice maker door or gasket
  • Failed main control board

How to fix Samsung 40E — step by step

Work through these in order, from simplest and safest first. Stop as soon as the code clears.

  1. Power-cycle the refrigerator
    Unplug the fridge for 2 to 5 minutes, then plug it back in and listen near the ice maker for the fan. A reset rules out a temporary electronic glitch.
  2. Defrost the ice maker area
    Ice around this fan is the most common cause. Unplug the fridge, leave the freezer and ice compartment open for a few hours with towels down, then restart and check whether the fan runs.
    Safety warning: Do not chip ice with sharp tools near the ice maker housing.
  3. Clear frost from the ice compartment
    Remove the ice bucket and clear any frost or ice chunks packed around the fan cover and air passages. Reseat the bucket firmly when done.
  4. Check the ice compartment door and gasket
    A door that does not seal lets humid air in, which keeps re-icing the fan. Make sure it closes fully and the gasket is intact.

When to call a technician

Stop and call a qualified technician if any of these apply:
  • The fan stays silent after a full defrost and reset
  • 40E keeps returning within days
  • The ice room fan motor needs replacement
  • The control board is not driving the fan

Frequently asked questions

Is 40E the same as 21E?

No. 21E is the main freezer evaporator fan. 40E is the smaller fan dedicated to the ice maker compartment - usually in the fridge door or upper section on French-door models.

My ice is soft and frosty with 40E. Why?

Without the fan moving cold air over the ice maker, the compartment runs warmer and humid, so cubes come out soft and frost builds up.

Will a manual defrost fix 40E for good?

It fixes ice-blocked fans, but if frost returns quickly there is usually an air leak or a failing defrost part - get a technician to check.

Sources

Every meaning and fix above was checked against official manufacturer documentation:

FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.

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