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&lt;/script&gt;</html><description>Mitsubishi 4121 Error Code 1. Error code definitionFunction setting error2. Error source, cause, check method and remedyCause Check method and remedy(1) Fan motor connector contact failure Check the fan motor connector CNMF for proper connection.(2) Contact failure of the relay connector for the fan motorCheck the relay connector for the fan motor for proper connection.(3) [&hellip;]</description></oembed>
