{"id":1753,"date":"2025-07-19T02:15:09","date_gmt":"2025-07-19T06:15:09","guid":{"rendered":"http:\/\/www.jckhvac.com\/?p=1753"},"modified":"2025-07-20T17:47:13","modified_gmt":"2025-07-20T21:47:13","slug":"mitsubishi-4109-error-code","status":"publish","type":"post","link":"http:\/\/www.jckhvac.com\/zh\/mitsubishi-4109-error-code\/","title":{"rendered":"Mitsubishi 4109 Error Code"},"content":{"rendered":"
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\u4e09\u83f1\u7a7a\u8c03\u9519\u8bef\u4ee3\u7801<\/a><\/h2>\n\n\n\n

Mitsubishi 4109 Error Code<\/h2>\n\n\n\n

1<\/strong>. Error code definition
Indoor unit fan operation error
2<\/strong>. Error definition and error detection method
1) Connector CN28 has remained open-circuited for 100 consecutive secondsduring operation.
3<\/strong>. Cause, check method and remedy
Cause Check method and remedy
(1) Auxiliary relay fault The coil or the wiring of the auxiliary relay connected to
CN28 is faulty.
(2) Connector (CN28) is disconnected. Check the connector for proper connection.
(3) Blown fuse Check the fuse on the control circuit board.
(4) Motor error (thermistor error inside the motor) Check the unit fan for proper operation in the test run
mode.
If no problems are found with items 1 through 3 above and
the fan does not operate, replace the motor<\/p>\n\n\n\n

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\u5fae\u4fe1<\/mark><\/strong><\/h2>\n<\/div>\n\n\n\n
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Whats<\/mark><\/h2>\n<\/div>\n\n\n\n
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Tel\uff1a<\/mark>347-987-6766<\/mark><\/a><\/strong><\/h2>\n\n\n\n

\u90ae\u7bb1\uff1ajckhvac212@gmail.com<\/strong> <\/mark><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

JK HVAC \u6211\u4eec\u5b89\u88c5\u3001\u7ef4\u4fee\u548c\u4fdd\u517b\u6240\u6709\u54c1\u724c\u7684\u7a7a\u8c03\uff01\u5305\u62ec\u7a7a\u8c03\u6e05\u6d01\u3001\u70d8\u5e72\u673a\u901a\u98ce\u53e3\u6e05\u6d01\u3001\u6696\u6c14\u7089\u7ef4\u4fee\u3002<\/mark><\/strong><\/p>\n\n\n\n

\ud83d\udccd \u670d\u52a1\u7ebd\u7ea6\u5468\u8fb9\u5730\u533a\uff1a\u66fc\u54c8\u987f\u3001\u5e03\u9c81\u514b\u6797\u3001\u53f2\u5766\u987f\u5c9b\u3001\u7687\u540e\u533a\u2026\u2026\u5feb\u901f\u4e0a\u95e8\u4f30\u4ef7<\/mark><\/strong><\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Mitsubishi 4109 Error Code 1. Error code definitionIndoor unit fan operation error2. Error definition and error detection method1) Connector CN28 has remained open-circuited for 100 consecutive secondsduring operation.3. Cause, check method and remedyCause Check method and remedy(1) Auxiliary relay fault The coil or the wiring of the auxiliary relay connected toCN28 is faulty.(2) Connector (CN28) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1753","post","type-post","status-publish","format-standard","hentry","category-mitsubishi-error-code"],"yoast_head":"\nMitsubishi 4109 Error Code - \u7ebd\u7ea6\u5408\u6210\u51b7\u6696\u5de5\u7a0b\u516c\u53f8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.jckhvac.com\/zh\/mitsubishi-4109-error-code\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mitsubishi 4109 Error Code\" \/>\n<meta property=\"og:description\" content=\"Mitsubishi 4109 Error Code 1. Error code definitionIndoor unit fan operation error2. Error definition and error detection method1) Connector CN28 has remained open-circuited for 100 consecutive secondsduring operation.3. 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