{"kind":"fault_code","lang":"en","path":"/en/bd/fix/daikin/U4/","canonical":"https://goodhand.app/en/bd/fix/daikin/U4/","indexable":false,"noindex_reasons":["below_threshold"],"title":"Daikin air conditioner U4: what it means and when to call a pro · Bangladesh","description":"Daikin air conditioner code U4: Communication fault between the indoor and outdoor units (or with the remote), usually caused by a wiring, connection or control board problem. What it means, how serious it is and when to call a pro. No pros are listed for this yet. Bangladesh.","og_image":"https://goodhand.app/en/og/fix/daikin/U4.png?v=cd22c21c","alternates":[],"languages":[{"lang":"en","path":"/en/bd/fix/daikin/U4/"}],"breadcrumbs":[{"name":"GoodHand","path":"/en/"},{"name":"Bangladesh","path":"/en/bd/"},{"name":"Fault codes","path":"/en/bd/fix/"},{"name":"Daikin","path":"/en/bd/fix/daikin/"},{"name":"Daikin U4","path":"/en/bd/fix/daikin/U4/"}],"data":{"brand":"Daikin","brand_slug":"daikin","code":"U4","gas_emergency":null,"coverage":{"appliances":["air conditioner"],"brands":[{"slug":"daikin","name":"Daikin","codes":11},{"slug":"lg","name":"LG","codes":4},{"slug":"samsung","name":"Samsung","codes":3}],"complete":false,"statement":"Brands in the catalog for air conditioner: Daikin, LG, Samsung. The same code on another brand is not in the catalog yet: this list does not mean no other brand uses it, and we do not guess what it means."},"entries":[{"appliance":"air conditioner","meaning":"Communication fault between the indoor and outdoor units (or with the remote), usually caused by a wiring, connection or control board problem.","hazard":"electrical","fields":{"meaning":"Communication fault between the indoor and outdoor units (or with the remote), usually caused by a wiring, connection or control board problem.","severity":"stop-now","try_first":null,"do_not":null,"call_pro_if":null,"source":{"url":"https://daikinindia.com/product-services/product-services/error-codes","title":"Daikin Error Codes","publisher":"Daikin Airconditioning India Pvt. Ltd."},"withheld":{"fields":["try_first","call_pro_if"],"reason":"electrical_unreviewed","why":"Steps are not shown for this code because no qualified person has reviewed them yet. What is safe: switch it off and call a pro."},"safety":{"hazard":"electrical","reviewed":false,"try_first_withheld":true}},"job_type":{"slug":"ac-error-code-fault","name":"Air conditioner error code repair"}}],"lookalikes":[],"cities":[],"brand_path":"/en/bd/fix/daikin/","related":[{"name":"Daikin A1","path":"/en/bd/fix/daikin/A1/","code":"A1"},{"name":"Daikin A3","path":"/en/bd/fix/daikin/A3/","code":"A3"},{"name":"Daikin A5","path":"/en/bd/fix/daikin/A5/","code":"A5"},{"name":"Daikin A6","path":"/en/bd/fix/daikin/A6/","code":"A6"},{"name":"Daikin C4","path":"/en/bd/fix/daikin/C4/","code":"C4"}],"country":{"code":"BD","name":"Bangladesh","currency":"BDT"}}}