{"id":1763,"date":"2025-07-19T02:23:51","date_gmt":"2025-07-19T06:23:51","guid":{"rendered":"http:\/\/www.jckhvac.com\/?p=1763"},"modified":"2025-07-20T17:46:33","modified_gmt":"2025-07-20T21:46:33","slug":"mitsubishi-4124-error-code","status":"publish","type":"post","link":"http:\/\/www.jckhvac.com\/zh\/mitsubishi-4124-error-code\/","title":{"rendered":"Mitsubishi 4124 Error Code"},"content":{"rendered":"<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"213\" height=\"54\" data-src=\"http:\/\/www.jckhvac.com\/wp-content\/uploads\/2025\/04\/logo-1.png\" alt=\"\" class=\"wp-image-97 lazyload\" style=\"--smush-placeholder-width: 213px; --smush-placeholder-aspect-ratio: 213\/54;width:247px;height:auto\" data-srcset=\"http:\/\/www.jckhvac.com\/wp-content\/uploads\/2025\/04\/logo-1.png 213w, http:\/\/www.jckhvac.com\/wp-content\/uploads\/2025\/04\/logo-1-18x5.png 18w\" data-sizes=\"(max-width: 213px) 100vw, 213px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mitsubishi-air-conditioner-error-codes\"><a href=\"http:\/\/www.jckhvac.com\/zh\/mitsubishi-air-conditioner-error-codes\/\">\u4e09\u83f1\u7a7a\u8c03\u9519\u8bef\u4ee3\u7801<\/a><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mitsubishi-4124-error-code\">Mitsubishi 4124 Error Code<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Code Text<\/th><th>Description<\/th><th>Cause<\/th><th>Check Procedure<\/th><\/tr><\/thead><tbody><tr><th>4124<\/th><td>Thermal switch (49c) open circuit on Mr Slim on M-Net.<\/td><td>Low refrigearnt charge, reduced airflow, faulty 49c switch.<\/td><td>Reset and check pressures and airflow, check continuity of 49c.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Error Code 4124<br><strong>1<\/strong>. Error code definition<br>Electric system not operate due to damper abnormality<br><strong>2<\/strong>. Error definition and error detection method<br>When the damper is not located at the designated position.<br><strong>3<\/strong>. Cause, check method and remedy<br>When the damper is not located at the designated position.<br>1) Check there is something that interferes the opening or closing movement of the damper.<br>2) If damper does not open or close, turn OFF the power supply and measure the resistance of the damper lock motors (ML1,ML2) and the damper motor (MV2).<br>The resistance value is normal each. \u2192Replace the indoor electronic control P.C. board.<br>The resistance value is not normal each. \u2192Replace the motor that indicates the abnormal value<\/p>","protected":false},"excerpt":{"rendered":"<p>Mitsubishi 4124 Error Code Code Text Description Cause Check Procedure 4124 Thermal switch (49c) open circuit on Mr Slim on M-Net. Low refrigearnt charge, reduced airflow, faulty 49c switch. Reset and check pressures and airflow, check continuity of 49c. Error Code 41241. Error code definitionElectric system not operate due to damper abnormality2. Error definition and [&hellip;]<\/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-1763","post","type-post","status-publish","format-standard","hentry","category-mitsubishi-error-code"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mitsubishi 4124 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-4124-error-code\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mitsubishi 4124 Error Code\" \/>\n<meta property=\"og:description\" content=\"Mitsubishi 4124 Error Code Code Text Description Cause Check Procedure 4124 Thermal switch (49c) open circuit on Mr Slim on M-Net. Low refrigearnt charge, reduced airflow, faulty 49c switch. Reset and check pressures and airflow, check continuity of 49c. Error Code 41241. Error code definitionElectric system not operate due to damper abnormality2. 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Low refrigearnt charge, reduced airflow, faulty 49c switch. Reset and check pressures and airflow, check continuity of 49c. Error Code 41241. Error code definitionElectric system not operate due to damper abnormality2. 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