{"kind":"fault_code","lang":"en","path":"/en/tm/fix/vaillant/F.20/","canonical":"https://goodhand.app/en/tm/fix/vaillant/F.20/","indexable":false,"noindex_reasons":["below_threshold"],"title":"Vaillant gas boiler F.20: what it means and when to call a pro · Turkmenistan","description":"Vaillant gas boiler code F.20: The boiler overheated and the safety temperature limiter cut it out. What it means, how serious it is and when to call a pro. No pros are listed for this yet. Turkmenistan.","og_image":"https://goodhand.app/en/og/fix/vaillant/F.20.png?v=9d2e8f11","alternates":[],"languages":[{"lang":"en","path":"/en/tm/fix/vaillant/F.20/"}],"breadcrumbs":[{"name":"GoodHand","path":"/en/"},{"name":"Turkmenistan","path":"/en/tm/"},{"name":"Fault codes","path":"/en/tm/fix/"},{"name":"Vaillant","path":"/en/tm/fix/vaillant/"},{"name":"Vaillant F.20","path":"/en/tm/fix/vaillant/F.20/"}],"data":{"brand":"Vaillant","brand_slug":"vaillant","code":"F.20","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 boiler overheated and the safety temperature limiter cut it out. This usually happens when heat cannot escape from the boiler, for example because of closed radiator valves, poor water circulation or a temperature sensor fault.","hazard":"gas","fields":{"meaning":"The boiler overheated and the safety temperature limiter cut it out. This usually happens when heat cannot escape from the boiler, for example because of closed radiator valves, poor water circulation or a temperature sensor fault.","severity":"stop-now","try_first":null,"do_not":null,"call_pro_if":null,"source":{"url":"https://www.vaillant.co.uk/service/boiler-fault-codes/","title":"Boiler fault codes list","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-overheating","name":"Boiler overheating repair"}}],"lookalikes":[],"cities":[],"brand_path":"/en/tm/fix/vaillant/","related":[{"name":"Vaillant F.22","path":"/en/tm/fix/vaillant/F.22/","code":"F.22"},{"name":"Vaillant F.23","path":"/en/tm/fix/vaillant/F.23/","code":"F.23"},{"name":"Vaillant F.24","path":"/en/tm/fix/vaillant/F.24/","code":"F.24"},{"name":"Vaillant F.25","path":"/en/tm/fix/vaillant/F.25/","code":"F.25"},{"name":"Vaillant F.28","path":"/en/tm/fix/vaillant/F.28/","code":"F.28"}],"country":{"code":"TM","name":"Turkmenistan","currency":"TMT"}}}