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Refrigerator or freezer compartment fails to reach set temperature; compressor may run continuously or not at all due to loss of board control signals.
Unit is completely unresponsive after a power surge or outage — the main PCB has failed to initialize and cannot distribute power to any components.
Fault codes such as Er IF, Er FF, or Er dH appear on the control panel, indicating the board can no longer communicate correctly with sensors or fans.
Ice production stops or the water dispenser becomes inoperative because the PCB has lost control of the ice maker module and inlet valve signals.
Frost builds up excessively in the freezer or refrigerator section because the board is no longer triggering the defrost heater and termination thermostat on schedule.
💡 Pro Tip: How to Diagnose a Failed EBR82230401 Control Board
Your part is likely the culprit if you notice any of the following:
⚠️ Refrigerator not cooling or freezer section too warm despite compressor running
⚠️ Display panel unresponsive, blank, or showing error/fault codes (e.g. Er IF, Er FF, Er dH)
⚠️ Fridge powers off unexpectedly or will not power on at all
⚠️ Ice maker and/or water dispenser stopped working while other functions appear normal
🔍 Before replacing: Use a multimeter to verify 12 V DC output from the board's power rails. If output is absent or erratic while 120 V AC input is confirmed, the main PCB is the most probable fault. Always disconnect power before any board removal.
📦 What's in the Box
✅ 1× Main PCB Control Board (EBR82230401, aftermarket replacement)
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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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