{"id":1687,"date":"2024-04-10T15:08:45","date_gmt":"2024-04-10T13:08:45","guid":{"rendered":"https:\/\/help.fetura.pl\/knowledge-base\/bridge-no-connection-to-the-device\/"},"modified":"2026-07-23T00:19:09","modified_gmt":"2026-07-22T22:19:09","slug":"bridge-no-connection-to-the-device","status":"publish","type":"ht_kb","link":"https:\/\/help.fetura.pl\/en\/knowledge-base\/bridge-no-connection-to-the-device\/","title":{"rendered":"Bridge &#8211; no connection to the device"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"728\" height=\"134\" src=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-23.png\" alt=\"Fetura CLOUD notification banner reporting a lost connection to the Bridge device (&quot;Connection to devices lost: cannot connect to devices: Bridge&quot;).\" class=\"wp-image-1662\" style=\"width:561px;height:auto\" srcset=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-23.png 728w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-23-300x55.png 300w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-23-50x9.png 50w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-23-60x11.png 60w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-23-100x18.png 100w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If there is no connection to the Bridge, check the color of the indicator LED in the upper left corner of the device housing [1] and the status LEDs on the right [2].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the recommendations described in the table below.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"773\" height=\"740\" src=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25.png\" alt=\"Photo of the Bridge device housing with two numbered red boxes: [1] the main indicator LED in the upper left corner, and [2] the column of status LEDs on the right side used to diagnose the connection.\" class=\"wp-image-1666\" style=\"width:431px;height:auto\" srcset=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25.png 773w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25-300x287.png 300w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25-768x735.png 768w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25-50x48.png 50w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25-60x57.png 60w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-25-100x96.png 100w\" sizes=\"(max-width: 773px) 100vw, 773px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">LED color [1]<\/th><th class=\"has-text-align-center\" data-align=\"center\">The way the diode glows<\/th><th class=\"has-text-align-center\" data-align=\"center\">Condition of the device<\/th><th class=\"has-text-align-center\" data-align=\"center\">Solving the problem<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" width=\"125\" height=\"60\" class=\"wp-image-1080\" style=\"width: 125px;\" src=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-111.png\" alt=\"Icon of a steady\/pulsing green indicator light labeled &quot;ZIELONY&quot; (green), used in the LED status table.\" srcset=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-111.png 197w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-111-50x24.png 50w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-111-60x29.png 60w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-111-100x48.png 100w\" sizes=\"(max-width: 125px) 100vw, 125px\" \/><\/td><td class=\"has-text-align-center\" data-align=\"center\">Pulse<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Reset Bridge<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" width=\"200\" height=\"95\" class=\"wp-image-1115\" style=\"width: 200px;\" src=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-125.png\" alt=\"Icon of a blue indicator light labeled &quot;NIEBIESKI&quot; (blue), used in the LED status table.\" srcset=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-125.png 197w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-125-50x24.png 50w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-125-60x29.png 60w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-125-100x48.png 100w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/td><td class=\"has-text-align-center\" data-align=\"center\">Pulse<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device restarts<\/td><td class=\"has-text-align-center\" data-align=\"center\">If it takes more than 30s to restart, reset the main Bridge power supply. If the problem is not solved, contact technical support.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" width=\"150\" height=\"91\" class=\"wp-image-1084\" style=\"width: 150px;\" src=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-113.png\" alt=\"Icon of a flashing red indicator light with radiating lines, labeled &quot;CZERWONY MRUGAJ\u0104CY&quot; (flashing red), used in the LED status table.\" srcset=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-113.png 196w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-113-50x30.png 50w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-113-60x36.png 60w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/03\/image-113-100x61.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/td><td class=\"has-text-align-center\" data-align=\"center\">Flashing<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is not working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Reset Bridge. If the problem is not solved contact  with technical assistance.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" width=\"150\" height=\"70\" class=\"wp-image-1501\" style=\"width: 150px;\" src=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-11.png\" alt=\"Icon of an unlit, gray indicator light labeled &quot;WY\u0141\u0104CZONY&quot; (off), used in the LED status table to show the device has no power.\" srcset=\"https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-11.png 198w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-11-50x23.png 50w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-11-60x28.png 60w, https:\/\/help.fetura.pl\/wp-content\/uploads\/2024\/04\/image-11-100x47.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/td><td class=\"has-text-align-center\" data-align=\"center\">No<\/td><td class=\"has-text-align-center\" data-align=\"center\">No main power supply<\/td><td class=\"has-text-align-center\" data-align=\"center\">Connect Bridge to power supply<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Table 1. Indication of the indicator light in the upper left corner of the device housing [1].<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Diode<br>status [2]<\/th><th class=\"has-text-align-center\" data-align=\"center\">The way the diode glows<\/th><th class=\"has-text-align-center\" data-align=\"center\">Condition of the device<\/th><th class=\"has-text-align-center\" data-align=\"center\">Solving the problem<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">WORK<\/td><td class=\"has-text-align-center\" data-align=\"center\">Flashing<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">WORK<\/td><td class=\"has-text-align-center\" data-align=\"center\">Continuous \/ None<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is not working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Reset Bridge. If the problem is not solved contact with technical assistance.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">RS 422 RX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Flashing<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is working properly. LED indicates receipt of data in Bridge RS422<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">RS 422 RX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Continuous \/ None<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is not working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Check the wired connection between the <a href=\"https:\/\/help.fetura.pl\/en\/knowledge-base\/cloud-box-wiring-and-commissioning\/\" data-type=\"ht_kb\" data-id=\"750\">Cloud Box<\/a> and the <a href=\"https:\/\/help.fetura.pl\/en\/knowledge-base\/bridge-wiring-and-commissioning\/\" data-type=\"ht_kb\" data-id=\"754\">Bridge<\/a>. If the connection is correct reset the Bridge.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">RS 422 TX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Flashing<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is working properly. LED indicates sending data in Bridge RS422<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">RS 422 TX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Continuous \/ None<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is not working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Check the wired connection between the <a href=\"https:\/\/help.fetura.pl\/en\/knowledge-base\/cloud-box-wiring-and-commissioning\/\" data-type=\"ht_kb\" data-id=\"750\">Cloud Box<\/a> and the <a href=\"https:\/\/help.fetura.pl\/en\/knowledge-base\/bridge-wiring-and-commissioning\/\" data-type=\"ht_kb\" data-id=\"754\">Bridge<\/a>. If the connection is correct reset the Bridge.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">TTL RX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Flashing<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is working properly. LED indicates receipt of data in Bridge ETH<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">TTL RX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Continuous \/ None<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is not working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Check the Bridge connection to the LAN and to the ETH adapter inside the device (the orange LED and the green LED should be on). Make sure the Bridge is connected to the same LAN as the Cloud Box. If the connection is correct reset the Bridge.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">TTL TX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Flashing<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is working properly. LED indicates receipt of Bridge ETH data<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">TTL TX<\/td><td class=\"has-text-align-center\" data-align=\"center\">Continuous \/ None<\/td><td class=\"has-text-align-center\" data-align=\"center\">The device is not working properly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Check the Bridge connection to the LAN and to the ETH adapter inside the device (the orange LED and the green LED should be on). Make sure the Bridge is connected to the same LAN as the Cloud Box. If the connection is correct reset the Bridge.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Table 2. LED statuses on the right [2].<\/figcaption><\/figure>\n\n\n<!-- fetura-ai-tags: category=BRIDGE; type=troubleshooting; keywords=Bridge no connection, Bridge LED status meaning, Bridge not working, reset Bridge, no main power supply Bridge, RS422 RX TX LED, TTL RX TX LED Bridge ETH; synonyms=communication lost, device offline, Bridge unreachable, Bridge indicator light, Bridge diagnostics -->","protected":false},"excerpt":{"rendered":"<p>If there is no connection to the Bridge, check the color of the indicator LED in the upper left corner of the device housing [1] and the status LEDs on the right [2]. Follow the recommendations described in the table below. LED color [1] The way the diode glows Condition&#8230;<\/p>\n","protected":false},"author":2,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[101],"ht-kb-tag":[],"class_list":["post-1687","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-bridge-en"],"_links":{"self":[{"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/ht-kb\/1687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/comments?post=1687"}],"version-history":[{"count":4,"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/ht-kb\/1687\/revisions"}],"predecessor-version":[{"id":14992,"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/ht-kb\/1687\/revisions\/14992"}],"wp:attachment":[{"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/media?parent=1687"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/ht-kb-category?post=1687"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/help.fetura.pl\/en\/wp-json\/wp\/v2\/ht-kb-tag?post=1687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}