{"id":15320,"date":"2019-02-19T12:13:21","date_gmt":"2019-02-19T10:13:21","guid":{"rendered":"https:\/\/www.victronenergy.com\/blog\/?p=15320"},"modified":"2019-02-19T23:54:11","modified_gmt":"2019-02-19T21:54:11","slug":"venus-os-v2-23-ve-bus-11-details-small-fixes","status":"publish","type":"post","link":"https:\/\/www.victronenergy.com\/blog\/2019\/02\/19\/venus-os-v2-23-ve-bus-11-details-small-fixes\/","title":{"rendered":"Venus OS v2.23 &#8211; VE.Bus error 11 details &amp; more"},"content":{"rendered":"<p>Good morning,<\/p>\n<p>Today we are releasing version 2.23 of Venus OS &#8211; the software which is at the heart of the Color Control GX, Venus GX, Octo GX and the CANvu GX. A nice page outlining those products and comparing them is available <a href=\"https:\/\/www.victronenergy.com\/live\/venus-os:start\" target=\"_blank\" rel=\"noopener\">here<\/a>. Also we will release VE.Bus version 455 today, for the MultiGrid and MultiPlus-II inverter\/charger models.<\/p>\n<p>Included in this update are various improvements; including that the user interface will not show details of VE.Bus Error 11.<\/p>\n<h3>VE.Bus Error 11<\/h3>\n<p>This error only applies to the MultiGrid and MultiPlus-II models: the inverter\/chargers with a dual backfeed relay. For ESS systems, a grid-code is selected in VEConfigure, and then as part of grid-code compliance; the device verifies that its internal relays and measurement circuitry functions properly. When this test fails; Error 11 shows. Quite often, the error can be tracked down to an installation error (swapped Phase and Neutral wiring for example), but there were also some software issues; and the details of Error 11 not being visible was not helping. Today we are taking care of all that. A short list of related firmware releases:<\/p>\n<p><!--more--><\/p>\n<ol>\n<li>VE.Bus firmware 454 &#8211; February 8th &#8211; Adds detailed Error 11 reporting.<\/li>\n<li>Venus OS v2.23 &#8211; today &#8211; Adds detailed Error 11 reporting.<\/li>\n<li>VE.Bus firmware 455 &#8211; today &#8211; Fix false Error 11 of the type &#8220;AC0\/AC1 mismatch&#8221; and &#8220;UMains error&#8221;.<\/li>\n<\/ol>\n<p>Conclusion: if you have a VE.Bus Error 11 and have already double-checked the wiring, then update all to the firmware released today; which is likely to solve the issue. And if it doesn&#8217;t &#8211; then at least you will have far more information to help you resolve it.<\/p>\n<h3 id=\"error_11_-_relay_test_fault_-_installation_error_or_possibly_relay_failure\" class=\"sectionedit12\">Full changelog<\/h3>\n<p>General:<\/p>\n<ul>\n<li>Fix that changing the date &amp; time did not work properly for off-grid systems: changes to the date and time were only stored to the device when being rebooted from within the menus (which nobody ever does). Power cycling a unit would make it jump back to the previous date &amp; time. This is now fixed. Note that only installations without internet were affected: with internet, the date and time are set automatically; as well as stored properly. This bug has always been in the system, since the first release.<\/li>\n<li>Update Eastern Europe time zones; fixes issues with Romania and other countries<\/li>\n<li>Add a low-cell voltage warning and alarm for Lynx Ion BMS systems. Note that this warning and alarm is only available for systems with a Lynx Ion BMS. Not for the (discontinued) Lynx Ion + Shunt models; and also not for any other (CAN-bus connected) battery types. How does it work? It will first issue a warning; and that will change to an alarm once the voltage is so low that the system has disabled the &#8216;allow-to-discharge&#8217; signal; which shuts down any connected inverters and other loads.<\/li>\n<li>Fix internet connection issues for a small number of systems; by lowering the MTU to 1450. If affected you typically see that logging data to the VRM works, but Remote Console does not work; and Remote VEConfigure and Remote Firmware Update work partially: scanning typically works; but anything using full packet sizes; such as uploading a firmware file; or transferring the VEConfigure file; does not work and returns error 1300. More information here: <a href=\"https:\/\/community.victronenergy.com\/questions\/3608\/how-to-solve-error-1300-on-remote-ve-configure.html\" target=\"_blank\">https:\/\/community.victronenergy.com\/questions\/3608\/how-to-solve-error-1300-on-remote-ve-configure.html<\/a><\/li>\n<li>Fix VE.Bus Low Battery, Overload and Temperature warnings and alarms showing up twice in the menu and notifications (bug was introduced in v2.18)<\/li>\n<li>Fix vup-error-9 on VRM Remote Firmware system. The error in itself was harmless; but raising questions.<\/li>\n<li>Debounce VE.Bus warnings: warnings now stay valid for at least 20 seconds in order to reduce the number of warning -&gt; ok -&gt; warning changes; notifications and VRM emails.<\/li>\n<li>Add the names of various new VE.Bus inverter\/chargers<\/li>\n<\/ul>\n<p>ESS:<\/p>\n<ul>\n<li>Fix bug in Scheduled charging that failed to make optimal use of the PV when in the scheduled charging window.<\/li>\n<li>When Active AC input is a generator, enable the Fronius zero-feedin limiter. Thanks to Simon Hackett for reporting.<\/li>\n<li>For systems with CAN-bus BMS batteries, MPPT Solar Chargers, and DVCC enabled, the use of PV power in systems with a relatively small batteries has been improved. An example to illustrate it: lets say the battery indicates a discharge limit of 25A. And at the same time, there is 40A of solar available from the solar charger.\u00a0In the old situation; the maximum draw from the DC bus would be 25A = 1250 W. Net result for the battery would be that it was being charged with 40 &#8211; 25 = 15 Ampere. With v2.23 installed, it will allow up to 65 A draw from the DC: 25A from the battery, and 40A from the solar charger.<\/li>\n<\/ul>\n<p>Venus GX:<\/p>\n<ul>\n<li>Improve flexibility of the multiplier setting for the pulse counter; the spinbox has been replaced with a normal edit box where a number can be entered now; with up to 6 decimal places. (thank you Greg for helping with this)<\/li>\n<\/ul>\n<p>ModbusTCP:<\/p>\n<ul>\n<li>Make battery relay writeable, i.e. Lynx Shunt (thanks Shane)<\/li>\n<li>Add registers related to charge current and temperature alarms.<\/li>\n<li>Add register for LowCellVoltage alarm &amp; warning sent by the Lynx BMS<\/li>\n<li>Add register for Battery Temperature on VE.Bus devices.<\/li>\n<li>Add register for VE.Bus system reset; same function as in the inverter\/charger menu in the Device List.<\/li>\n<\/ul>\n<p>And then there are a few more improvements, enhancing system stability and robustness.<\/p>\n<p>For those who were hoping to find the Marine MFD chartplotter integration, as <a href=\"https:\/\/www.victronenergy.com\/blog\/2018\/11\/02\/mets-2018-preview-glass-bridge-smart-everywhere\/\" target=\"_blank\">explained here<\/a> in a blog, I have to disappoint you, it&#8217;s not ready yet; so not in this release. We can report good progress on that project though; and I still expect to release it at the end of this quarter for Navico and Garmin. As mentioned during the announcement, Raymarine will follow a bit later.<\/p>\n<h3>How to update?<\/h3>\n<div id=\"pageContainer1\" class=\"page\">\n<div class=\"textLayer\">\n<p dir=\"ltr\">You can find information about how to install the new version of Venus OS <a href=\"https:\/\/www.victronenergy.com\/live\/ccgx:firmware_updating\" target=\"_blank\">here<\/a>. For the full changelog, visit <a href=\"https:\/\/professional.victronenergy.com\" target=\"_blank\" rel=\"noopener\">Victron Professional<\/a>.<\/p>\n<\/div>\n<\/div>\n<div id=\"pageContainer2\" class=\"page\">\n<div class=\"textLayer\">\n<div class=\"text-layer-inner\">\n<p class=\"textbox\" dir=\"ltr\">In conclusion, I wish you a good day!<\/p>\n<p>Matthijs Vader<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Good morning, Today we are releasing version 2.23 of Venus OS &#8211; the software which is at the heart of the Color Control GX, Venus GX, Octo GX and the CANvu GX. A nice page outlining those products and comparing them is available here. Also we will release VE.Bus version 455 today, for the MultiGrid [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":12022,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[124],"tags":[162],"class_list":["post-15320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-firmware-software","tag-venus-os"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Venus OS v2.23 - VE.Bus error 11 details &amp; more - Victron Energy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.victronenergy.com\/blog\/2019\/02\/19\/venus-os-v2-23-ve-bus-11-details-small-fixes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Venus OS v2.23 - VE.Bus error 11 details &amp; more - Victron Energy\" \/>\n<meta property=\"og:description\" content=\"Good morning, Today we are releasing version 2.23 of Venus OS &#8211; the software which is at the heart of the Color Control GX, Venus GX, Octo GX and the CANvu GX. A nice page outlining those products and comparing them is available here. Also we will release VE.Bus version 455 today, for the MultiGrid [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.victronenergy.com\/blog\/2019\/02\/19\/venus-os-v2-23-ve-bus-11-details-small-fixes\/\" \/>\n<meta property=\"og:site_name\" content=\"Victron Energy\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VictronEnergy.BV\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-19T10:13:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-02-19T21:54:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.victronenergy.com\/blog\/wp-content\/uploads\/sites\/10\/2018\/02\/venus-os-featured-image_62454504.png\" \/>\n\t<meta property=\"og:image:width\" content=\"730\" \/>\n\t<meta property=\"og:image:height\" content=\"406\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Matthijs Vader\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Victron_Energy\" \/>\n<meta name=\"twitter:site\" content=\"@Victron_Energy\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matthijs Vader\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.victronenergy.com\\\/blog\\\/2019\\\/02\\\/19\\\/venus-os-v2-23-ve-bus-11-details-small-fixes\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.victronenergy.com\\\/blog\\\/2019\\\/02\\\/19\\\/venus-os-v2-23-ve-bus-11-details-small-fixes\\\/\"},\"author\":{\"name\":\"Matthijs Vader\",\"@id\":\"https:\\\/\\\/www.victronenergy.com\\\/blog\\\/#\\\/schema\\\/person\\\/39602861b4dcabbb39e3efe290bb2397\"},\"headline\":\"Venus OS v2.23 &#8211; 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A nice page outlining those products and comparing them is available here. Also we will release VE.Bus version 455 today, for the MultiGrid [\u2026]","subtitle":null,"related_posts":[{"id":33057,"slug":"introducing-victron-microgrid","title":"Introducing Victron Microgrid","link":"https:\/\/www.victronenergy.com\/blog\/2026\/04\/13\/introducing-victron-microgrid\/","excerpt":"What if you could build large off-grid systems with the same simplicity as small ones - just by adding more independent units, increasing reliability, and scaling total capacity as you grow? Large off-grid systems have traditionally been complex to build and difficult to change; Victron Microgrid takes a different approach. Victron Microgrid allows multiple independent&hellip;","featured_image":"https:\/\/www.victronenergy.com\/blog\/wp-content\/uploads\/sites\/10\/2026\/04\/Victron-Microgrid-cover_319925212-150x150.png","author_name":"Guy Stewart","author_link":"https:\/\/www.victronenergy.com\/blog\/author\/guystewart\/","author_avatar":{"24":"https:\/\/secure.gravatar.com\/avatar\/46f1d045a4e399c7c754f765b33d48ca13b2ff31beca5a200d86e7c1d7b8d6d5?s=96&d=mm&r=g&s=24","48":"https:\/\/secure.gravatar.com\/avatar\/46f1d045a4e399c7c754f765b33d48ca13b2ff31beca5a200d86e7c1d7b8d6d5?s=96&d=mm&r=g&s=48","96":"https:\/\/secure.gravatar.com\/avatar\/46f1d045a4e399c7c754f765b33d48ca13b2ff31beca5a200d86e7c1d7b8d6d5?s=96&d=mm&r=g&s=96"},"categories":[{"name":"Firmware & Software","link":"https:\/\/www.victronenergy.com\/blog\/category\/firmware-software\/"},{"name":"News","link":"https:\/\/www.victronenergy.com\/blog\/category\/news\/"},{"name":"Products","link":"https:\/\/www.victronenergy.com\/blog\/category\/products\/"}],"date":"2026-04-13T13:15:09+02:00","date_gmt":"2026-04-13T11:15:09+00:00"},{"id":32812,"slug":"introducing-venus-os-3-70","title":"Introducing Venus OS 3.70","link":"https:\/\/www.victronenergy.com\/blog\/2026\/02\/25\/introducing-venus-os-3-70\/","excerpt":"Victron GX device firmware v3.70 is now available. This release brings a greatly expanded switch pane with Node-RED virtual switches, improvements to GX Boat Page and E-drive integrations, cell level monitoring for Lynx Smart BMS NG, Garmin EmpirBus digital switching, Shelly smart device integration, and much more. For a more visual overview and to see&hellip;","featured_image":"https:\/\/www.victronenergy.com\/blog\/wp-content\/uploads\/sites\/10\/2026\/02\/Venus-OS-3.70_315856177-150x150.png","author_name":"Matthijs Vader","author_link":"https:\/\/www.victronenergy.com\/blog\/author\/matthijs-victron\/","author_avatar":{"24":"https:\/\/secure.gravatar.com\/avatar\/04813a2afa21aa517530c3ceb326c13b89f3be8c3b094cee4f5f6266df5a5fdf?s=96&d=mm&r=g&s=24","48":"https:\/\/secure.gravatar.com\/avatar\/04813a2afa21aa517530c3ceb326c13b89f3be8c3b094cee4f5f6266df5a5fdf?s=96&d=mm&r=g&s=48","96":"https:\/\/secure.gravatar.com\/avatar\/04813a2afa21aa517530c3ceb326c13b89f3be8c3b094cee4f5f6266df5a5fdf?s=96&d=mm&r=g&s=96"},"categories":[{"name":"Firmware & Software","link":"https:\/\/www.victronenergy.com\/blog\/category\/firmware-software\/"}],"date":"2026-02-25T12:05:55+02:00","date_gmt":"2026-02-25T10:05:55+00:00"},{"id":32730,"slug":"victronconnect-app-v6-30","title":"VictronConnect App v6.30","link":"https:\/\/www.victronenergy.com\/blog\/2026\/02\/23\/victronconnect-app-v6-30\/","excerpt":"VictronConnect app v6.30 brings a range of new features designed to make system monitoring and management easier for both professionals and end-users. These include VRM integration, new tools for system monitoring, more insight during firmware updates, and a Batch Programming feature aimed at simplifying work for professionals. In the next sections, we take a closer&hellip;","featured_image":"https:\/\/www.victronenergy.com\/blog\/wp-content\/uploads\/sites\/10\/2026\/02\/Venus-OS-3.60-56_314584543-150x150.png","author_name":"Beril","author_link":"https:\/\/www.victronenergy.com\/blog\/author\/bberkem\/","author_avatar":{"24":"https:\/\/secure.gravatar.com\/avatar\/a18e95c9d838d5359f135ae704b95ae5d336e3c238b5aa877ef3a1e245c24b78?s=96&d=mm&r=g&s=24","48":"https:\/\/secure.gravatar.com\/avatar\/a18e95c9d838d5359f135ae704b95ae5d336e3c238b5aa877ef3a1e245c24b78?s=96&d=mm&r=g&s=48","96":"https:\/\/secure.gravatar.com\/avatar\/a18e95c9d838d5359f135ae704b95ae5d336e3c238b5aa877ef3a1e245c24b78?s=96&d=mm&r=g&s=96"},"categories":[{"name":"Firmware & Software","link":"https:\/\/www.victronenergy.com\/blog\/category\/firmware-software\/"},{"name":"News","link":"https:\/\/www.victronenergy.com\/blog\/category\/news\/"}],"date":"2026-02-23T16:25:50+02:00","date_gmt":"2026-02-23T14:25:50+00:00"}],"_links":{"self":[{"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/posts\/15320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/comments?post=15320"}],"version-history":[{"count":28,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/posts\/15320\/revisions"}],"predecessor-version":[{"id":15375,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/posts\/15320\/revisions\/15375"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/media\/12022"}],"wp:attachment":[{"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/media?parent=15320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/categories?post=15320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.victronenergy.com\/blog\/wp-json\/wp\/v2\/tags?post=15320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}