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Chamberlain Garagedoor Error Codes

All Chamberlain garagedoor error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

2 error codes

CodeMeaning
BLINKWhen your Chamberlain opener blinks, the motor unit's control board detected a fault and locked out operation. Each LED flash count maps to a specific problem. It's basically a simple error code system built into the light you can already see from the floor.
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HUBReference guide for Chamberlain garage door opener fault signals, including LED blink codes on the motor unit, MyQ app error messages, and limit and safety fault indicators across the B-Series and classic PD/WD model lines.
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