




Fan motor failure stops cold air from circulating into the fresh-food section, causing temperatures to rise while the freezer may still feel cold.
A seized or dead evaporator fan motor prevents air from moving over the evaporator coils, leaving the freezer warm and unable to maintain set temperature.
Worn motor bearings produce a loud buzzing, humming, or high-pitched squeal from behind the freezer back wall — noise typically stops when the freezer door is opened.
Inadequate airflow from a failing fan allows moisture to accumulate and freeze on the evaporator coils and freezer back wall, causing excessive frost build-up.
A damaged or unbalanced motor can produce rattling or vibrating sounds; if the fan blade cannot be spun freely by hand, the motor needs replacement.




💡 Pro Tip: How to Confirm Your Evaporator Fan Motor Has Failed
Your part is likely the culprit if you notice any of the following:
⚠️ Loud humming, buzzing, or high-pitched squealing coming from the freezer area — noise stops when the freezer door is opened
⚠️ Refrigerator section warming up while the freezer still feels cold (or vice versa)
⚠️ Excessive frost or ice build-up on the back wall of the freezer compartment
⚠️ Fan blade does not spin freely when turned by hand, or motor shows no continuity on a multimeter test
🔍 Diagnostic tip: Try turning the fan blade by hand — if it does not spin freely, replace the motor. If the blade spins freely but the motor still won't run, use a multimeter to test the motor windings for continuity. No continuity = confirmed bad motor. Also verify the main control board is delivering voltage to the fan connector before condemning the motor.
📦 What's in the Box
✅ 1× Evaporator Fan Motor DA31-00146E (12V DC, 2770 RPM, BLDC) — fan blade NOT included
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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