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Excessive frost or a solid ice sheet builds up on the rear wall of the freezer, blocking the evaporator coils and restricting airflow throughout the refrigerator.
The fresh food compartment warms up while the freezer continues to run — caused by ice-blocked coils preventing cold air from circulating to the fridge side.
The refrigerator never cycles off because the thermostat cannot reach setpoint due to frost-blocked heat exchange across the evaporator coils.
Accumulated ice on coils eventually melts unevenly and overflows the drip pan, causing water pooling on shelves or the bottom of the refrigerator.
The automatic defrost cycle fails to melt frost because the heater element has burned out, resulting in a permanent ice buildup that worsens over time.
💡 Pro Tip: Diagnosing a Failed Defrost Heater on GE Side-by-Side Refrigerators
Your part is likely the culprit if you notice any of the following:
⚠️ Thick frost or ice sheet visible on the rear panel inside the freezer compartment
⚠️ Refrigerator section too warm while the freezer still freezes (classic blocked-airflow symptom)
⚠️ Compressor runs continuously without cycling off
⚠️ Water pooling inside the fridge compartment from melting ice overflow
🔬 Quick Test: Disconnect power, remove the freezer rear panel, and use a multimeter set to continuity/resistance across the heater connector pins (blue and pink wires). No continuity = failed heater. Expected resistance: blue-wire tube ≈ 7Ω, pink-wire tube ≈ 14Ω. Also visually inspect for blackened or cracked glass tubes. Before replacing, use a hair dryer to gently thaw any ice buildup — never use sharp tools to chip ice off the coils.
📦 What's in the Box
✅ 2× Quartz Glass Defrost Heater Tubes with Metal Shields (9-1/2"L × 1-1/4"W × 2-7/8"H each bracket)
✅ 1× Pre-wired Wire Harness with 3-Prong Connector
✅ 1× WR50X122 L60-32F Defrost Termination Thermostat (clip-on)
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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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