{"kind":"fault_code","lang":"en","path":"/en/lt/fix/vaillant/F.23/","canonical":"https://goodhand.app/en/lt/fix/vaillant/F.23/","indexable":false,"noindex_reasons":["below_threshold"],"title":"Vaillant gas boiler F.23: what it means and when to call a pro · Lithuania","description":"Vaillant gas boiler code F.23: The temperature difference between flow and return is too large, usually because water is not circulating well. What it means, how serious it is and when to call a pro. No pros are listed for this yet. Lithuania.","og_image":"https://goodhand.app/en/og/fix/vaillant/F.23.png?v=99a69181","alternates":[],"languages":[{"lang":"en","path":"/en/lt/fix/vaillant/F.23/"},{"lang":"pl","path":"/pl/lt/fix/vaillant/F.23/"}],"breadcrumbs":[{"name":"GoodHand","path":"/en/"},{"name":"Lithuania","path":"/en/lt/"},{"name":"Fault codes","path":"/en/lt/fix/"},{"name":"Vaillant","path":"/en/lt/fix/vaillant/"},{"name":"Vaillant F.23","path":"/en/lt/fix/vaillant/F.23/"}],"data":{"brand":"Vaillant","brand_slug":"vaillant","code":"F.23","gas_emergency":null,"coverage":{"appliances":["gas boiler"],"brands":[{"slug":"ariston","name":"Ariston","codes":2},{"slug":"baxi","name":"Baxi","codes":5},{"slug":"bosch","name":"Bosch","codes":2},{"slug":"ferroli","name":"Ferroli","codes":3},{"slug":"ideal","name":"Ideal","codes":3},{"slug":"potterton","name":"Potterton","codes":2},{"slug":"vaillant","name":"Vaillant","codes":15},{"slug":"viessmann","name":"Viessmann","codes":3},{"slug":"worcester-bosch","name":"Worcester Bosch","codes":6}],"complete":false,"statement":"Brands in the catalog for gas boiler: Ariston, Baxi, Bosch, Ferroli, Ideal, Potterton, Vaillant, Viessmann, Worcester Bosch. 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":"gas boiler","meaning":"The temperature difference between flow and return is too large, usually because water is not circulating well.","hazard":"gas","fields":{"meaning":"The temperature difference between flow and return is too large, usually because water is not circulating well.","severity":"stop-now","try_first":null,"do_not":null,"call_pro_if":null,"source":{"url":"https://professional.vaillant.co.uk/downloads/product-manuals/ecotec-pro-1/ecotec-pro-24-28-combi-installation-and-maintenance-instructions-2055535.pdf","title":"Installation and maintenance instructions ecoTEC pro VUW ..6/5-3","publisher":"Vaillant"},"withheld":{"fields":["try_first","call_pro_if"],"reason":"gas_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":"gas","reviewed":false,"try_first_withheld":true}},"job_type":{"slug":"boiler-pump-circulation-fault","name":"Boiler pump and circulation repair"}}],"lookalikes":[],"cities":[],"brand_path":"/en/lt/fix/vaillant/","related":[{"name":"Vaillant F.24","path":"/en/lt/fix/vaillant/F.24/","code":"F.24"},{"name":"Vaillant F.25","path":"/en/lt/fix/vaillant/F.25/","code":"F.25"},{"name":"Vaillant F.28","path":"/en/lt/fix/vaillant/F.28/","code":"F.28"},{"name":"Vaillant F.29","path":"/en/lt/fix/vaillant/F.29/","code":"F.29"},{"name":"Vaillant F.32","path":"/en/lt/fix/vaillant/F.32/","code":"F.32"}],"country":{"code":"LT","name":"Lithuania","currency":"EUR"}}}