{"id":1093,"date":"2022-11-25T14:29:37","date_gmt":"2022-11-25T12:29:37","guid":{"rendered":"https:\/\/energyintelligence.se\/shop\/?page_id=1093"},"modified":"2024-03-08T16:48:37","modified_gmt":"2024-03-08T14:48:37","slug":"problem-med-wifi","status":"publish","type":"page","link":"https:\/\/energyintelligence.se\/shop\/problem-med-wifi\/","title":{"rendered":"Problem med wifi"},"content":{"rendered":"\n

Elm\u00e4taravl\u00e4saren tappar kontakten med wifi<\/h3>\n\n\n\n

Otillr\u00e4cklig str\u00f6mf\u00f6rs\u00f6rjning<\/strong><\/p>\n\n\n\n

Radiokommunikation kr\u00e4ver energi och desto s\u00e4mre f\u00f6rh\u00e5llanden desto mer energi. Ett s\u00e4rskilt energikr\u00e4vande moment verkar vara vid uppstart n\u00e4r anslutningen mot wifi:t skall uppr\u00e4ttas. Om str\u00f6mf\u00f6rs\u00f6rjningen \u00e4r otillr\u00e4cklig f\u00f6r att ansluta till ett wifi med d\u00e5lig signalstyrka (elm\u00e4tarna brukar ha en f\u00f6rs\u00f6rjningsgr\u00e4ns runt 200 mA @ 5 V = 1 W) klarar enheten inte av att starta upp ordentligt.<\/p>\n\n\n\n

Om du har en enhet som har b\u00e5de ethernet (ej PoE) och wifi \u00e4r det en god id\u00e9 att bara anv\u00e4nda den ena eller andra anslutningsm\u00f6jligheten. Om wifit \u00e4r ig\u00e5ng mot en ”d\u00e5lig” accesspunkt samtidigt som ethernet anv\u00e4nds och elm\u00e4taren ger begr\u00e4nsat med str\u00f6m kan enheten misslyckas med att starta upp och\/eller st\u00e4ngas ner.<\/p>\n\n\n\n

Se \u00e4ven v\u00e5rt avsnitt om str\u00f6mf\u00f6rs\u00f6rjning<\/a>.<\/p>\n\n\n\n

Wifi signalen \u00e4r f\u00f6r d\u00e5lig<\/strong><\/p>\n\n\n\n

Om ni har d\u00e5lig t\u00e4ckning p\u00e5 wifit fungerar kommunikationen fr\u00e5n enheten d\u00e5ligt eller inte alls. Kontrollera g\u00e4rna t\u00e4ckningen p\u00e5 platsen d\u00e4r ni placerat enheten. <\/p>\n\n\n\n

Om du har elm\u00e4taravl\u00e4saren installerad i ett pl\u00e5tsk\u00e5p (vanlig placering f\u00f6r en elm\u00e4tare) kommer signalen effektivt att blockeras av pl\u00e5tsk\u00e5pet. Det \u00e4r dock inte om\u00f6jligt att f\u00e5 en godtagbar signal men den kommer att vara mycket b\u00e4ttre med pl\u00e5tsk\u00e5pet \u00f6ppet \u00e4n n\u00e4r det \u00e4r st\u00e4ngt.<\/p>\n\n\n\n

Se nedan artikel f\u00f6r info om detta<\/p>\n\n\n\n

https:\/\/tombouctou-food.com\/sv\/wi-fi-signalstyrka-vad-ar-en-bra-signal-och-hur-mater-du-det\/<\/a><\/p>\n\n\n\n

AP-roaming (mesh)<\/strong><\/p>\n\n\n\n

Wifi-hanteringen sk\u00f6ts av enhetens OS (Mongoose) och den verkar vara k\u00e4nslig f\u00f6r s.k. AP roaming. AP roaming \u00e4r n\u00e4r man har flera accesspunkter i hemmet d\u00e4r de har samma n\u00e4tverks ID. Detta \u00e4r bra ifall man vill kunna r\u00f6ra sig fritt med en wifi-uppkopplad enhet (t ex mobiltelefon eller b\u00e4rbar dator).<\/p>\n\n\n\n

Om enheten kopplas mot ett n\u00e4tverk d\u00e4r flera accesspunkter kan anv\u00e4ndas b\u00f6r man l\u00e5sa den mot en av accesspunkterna. Detta g\u00f6rs i inst\u00e4llningarna f\u00f6r accesspunkterna (dvs programvaran som hanterar wifi-n\u00e4tverket).<\/p>\n\n\n

\n
\"\"
Exempel p\u00e5 inst\u00e4llning i Ubiquitis kontrollpanel<\/figcaption><\/figure><\/div>\n\n\n

\u00c4ldre inkompatibla accesspunkter<\/strong><\/p>\n\n\n\n

Vissa \u00e4ldre wifi-accesspunkter \/ routrar verkar fungera s\u00e4mre med enheten. Symptomen \u00e4r att att den helt enkelt f\u00f6rsvinner fr\u00e5n n\u00e4tverket och bara g\u00e5r att komma \u00e5t igen efter en omstart. Vi vet att TP-links Archer router kan uppvisa detta problem.<\/p>\n\n\n\n

<\/p>\n\n\n\n

Den ansluter inte alls till angivet wifi-n\u00e4tverk<\/h3>\n\n\n\n

Kontrollera l\u00f6senordet<\/strong><\/p>\n\n\n\n

Ett inte alltf\u00f6r ovanligt fel \u00e4r att l\u00f6senordet har fyllts i felaktigt. Moderna webbl\u00e4sare brukar spara l\u00f6senord f\u00f6r snabb ”ifyllnad” och ibland kan det vara ett helt felaktigt l\u00f6senord. Man man t ex har sparat default-l\u00f6senordet, sedan byter man l\u00f6senord men det sparade l\u00f6senordet \u00e4r kvar och fylls i automatiskt n\u00e4sta g\u00e5ng.<\/p>\n\n\n\n

Har ni en firmware med version 3.5.1 eller h\u00f6gre kan ni kontrollera l\u00f6senordet i Network -> Wifi fliken genom att markera ”Show password”.<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

Om ni har st\u00e4llt in fel l\u00f6senord och ni inte kommer in p\u00e5 enheten kan ni antingen k\u00f6ra ”factory reset” eller s\u00e4tta l\u00f6senordet via mos.<\/p>\n\n\n\n

https:\/\/mongoose-os.com\/docs\/mongoose-os\/quickstart\/setup.md<\/a><\/p>\n\n\n\n

Sj\u00e4lva kommandot efter att mos \u00e4r installerat \u00e4r<\/p>\n\n\n\n

mos wifi WIFI_NETWORK_NAME WIFI_PASSWORD<\/code><\/p>\n\n\n\n

Enbart 2 Ghz<\/h4>\n\n\n\n

Enheten st\u00f6djer bara s.k. 2 GHz wifi. Moderna routrar brukar ”magiskt” hantera 2\/5Ghz p\u00e5 till synes samma ”kanal”. Andra routrar kan ha separata ”kanaler” f\u00f6r 2GHz och 5GHz och de skiljs vanligtvis \u00e5t genom att 5 GHz n\u00e4tverket har en 5G \u00e4ndelse i namnet. Om du f\u00f6rs\u00f6ker ansluta till ett wifi som inte kan ”trappa ner” till 2Ghz kommer enheten inte att kunna ansluta. Normalt sett dyker rena 5 GHz n\u00e4tverk inte upp i listan av tillg\u00e4ngliga n\u00e4tverk, men det g\u00e5r att skriva in namnet p\u00e5 dem manuellt. <\/p>\n","protected":false},"excerpt":{"rendered":"

Elm\u00e4taravl\u00e4saren tappar kontakten med wifi Otillr\u00e4cklig str\u00f6mf\u00f6rs\u00f6rjning Radiokommunikation kr\u00e4ver energi och desto s\u00e4mre f\u00f6rh\u00e5llanden desto mer energi. Ett s\u00e4rskilt energikr\u00e4vande moment verkar vara vid uppstart n\u00e4r anslutningen mot wifi:t skall uppr\u00e4ttas. Om str\u00f6mf\u00f6rs\u00f6rjningen \u00e4r otillr\u00e4cklig f\u00f6r att ansluta till ett wifi med d\u00e5lig signalstyrka (elm\u00e4tarna brukar ha en f\u00f6rs\u00f6rjningsgr\u00e4ns runt 200 mA @ 5 V […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"\nProblem med wifi - Energy Intelligence<\/title>\n<meta name=\"description\" content=\"Anv\u00e4ndarmanual f\u00f6r wifi problem.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energyintelligence.se\/shop\/problem-med-wifi\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Problem med wifi - Energy Intelligence\" \/>\n<meta property=\"og:description\" content=\"Anv\u00e4ndarmanual f\u00f6r wifi problem.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/energyintelligence.se\/shop\/problem-med-wifi\/\" \/>\n<meta property=\"og:site_name\" content=\"Energy Intelligence\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-08T14:48:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2023\/08\/Lock-to-Access-Point-UniFi-1024x677.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/energyintelligence.se\/shop\/problem-med-wifi\/\",\"url\":\"https:\/\/energyintelligence.se\/shop\/problem-med-wifi\/\",\"name\":\"Problem med wifi - 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