@sprehn
Below is debug log from my system. I have LG C7 OLED TV. I cannot create connection to the TV. Sometime, I do (same setting) but 99% of the cases there is no connection. Below are the DEBUG logs. I hope it can help to find the issue
2018-10-07 21:20:02.451 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent INSTALLED - org.openhab.binding.lgwebos
2018-10-07 21:20:05.405 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent RESOLVED - org.openhab.binding.lgwebos
2018-10-07 21:22:26.704 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STARTING - org.openhab.binding.lgwebos
2018-10-07 21:22:26.913 [DEBUG] [.internal.discovery.LGWebOSDiscovery] - Config Parameters: {component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=207}
2018-10-07 21:22:26.935 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.DiscoveryService, org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery}={service.id=338, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=207} - org.openhab.binding.lgwebos
2018-10-07 21:22:26.964 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=339, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.LGWebOSHandlerFactory, component.id=208} - org.openhab.binding.lgwebos
2018-10-07 21:22:26.967 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STARTED - org.openhab.binding.lgwebos
2018-10-07 21:27:07.489 [DEBUG] [nding.lgwebos.handler.LGWebOSHandler] - Capabilities updated: {"modelName":"LG Smart TV","lastConnected":1538936759,"lastKnownIPAddress":"192.168.0.111","modelNumber":"OLED65C7Y-T","id":"ccccxxxx-xxxx-xxxx-xxxx-xxxx40euuuu","services":{},"lastDetection":1538936759,"friendlyName":"[LG] webOS TV OLED65C7Y"} - added: [] - removed: [VolumeControl.Get, VolumeControl.Set, VolumeControl.UpDown, VolumeControl.Subscribe, VolumeControl.Mute.Get, VolumeControl.Mute.Set, VolumeControl.Mute.Subscribe, MediaPlayer.Display.Image, MediaPlayer.Play.Video, MediaPlayer.Play.Audio, MediaPlayer.Close, MediaPlayer.MetaData.Title, MediaPlayer.MetaData.Description, MediaPlayer.MetaData.Thumbnail, MediaPlayer.MetaData.MimeType, MediaPlayer.MediaInfo.Get, MediaPlayer.MediaInfo.Subscribe, TextInputControl.Send, TextInputControl.Enter, TextInputControl.Delete, TextInputControl.Subscribe, MouseControl.Connect, MouseControl.Disconnect, MouseControl.Click, MouseControl.Move, MouseControl.Scroll, KeyControl.Up, KeyControl.Down, KeyControl.Left, KeyControl.Right, KeyControl.OK, KeyControl.Back, KeyControl.Home, KeyControl.KeyCode, MediaPlayer.Display.Image, MediaPlayer.Play.Video, MediaPlayer.Play.Audio, MediaPlayer.Close, MediaPlayer.MetaData.Title, MediaPlayer.MetaData.Description, MediaPlayer.MetaData.Thumbnail, MediaPlayer.MetaData.MimeType, MediaPlayer.MediaInfo.Get, MediaPlayer.MediaInfo.Subscribe, Launcher.App, Launcher.App.Params, Launcher.App.Close, Launcher.App.List, Launcher.Browser, Launcher.Browser.Params, Launcher.Hulu, Launcher.Hulu.Params, Launcher.Netflix, Launcher.Netflix.Params, Launcher.YouTube, Launcher.YouTube.Params, Launcher.AppStore, Launcher.AppStore.Params, Launcher.AppState, Launcher.AppState.Subscribe, Launcher.RunningApp, Launcher.RunningApp.Subscribe, TVControl.Channel.Get, TVControl.Channel.Set, TVControl.Channel.Up, TVControl.Channel.Down, TVControl.Channel.List, TVControl.Channel.Subscribe, TVControl.Program.Get, TVControl.Program.List, TVControl.Program.Subscribe, TVControl.Program.List.Subscribe, TVControl.3D.Get, TVControl.3D.Set, TVControl.3D.Subscribe, ExternalInputControl.Picker.Launch, ExternalInputControl.Picker.Close, ExternalInputControl.List, ExternalInputControl.Set, ToastControl.Show, ToastControl.Show.Clickable.App, ToastControl.Show.Clickable.App.Params, ToastControl.Show.Clickable.URL, PowerControl.Off, WebAppLauncher.Launch, WebAppLauncher.Launch.Params, WebAppLauncher.Message.Send, WebAppLauncher.Message.Receive, WebAppLauncher.Message.Send.JSON, WebAppLauncher.Message.Receive.JSON, WebAppLauncher.Connect, WebAppLauncher.Disconnect, WebAppLauncher.Join, WebAppLauncher.Close, WebAppLauncher.Pin, MediaControl.Play, MediaControl.Pause, MediaControl.Stop, MediaControl.Rewind, MediaControl.FastForward, MediaControl.Seek, MediaControl.Previous, MediaControl.Next, MediaControl.Duration, MediaControl.PlayState, MediaControl.PlayState.Subscribe, MediaControl.Position, MediaPlayer.Subtitle.WebVTT, PlaylistControl.JumpToTrack, PlaylistControl.Next, PlaylistControl.Previous, MediaPlayer.Loop]
2018-10-07 21:27:07.493 [DEBUG] [.internal.discovery.LGWebOSDiscovery] - Device removed: {"modelName":"LG Smart TV","lastConnected":1538936759,"lastKnownIPAddress":"192.168.0.111","modelNumber":"OLED65C7Y-T","id":"ccccxxxx-xxxx-xxxx-xxxx-xxxx40euuuu","services":{},"lastDetection":1538936759,"friendlyName":"[LG] webOS TV OLED65C7Y"}
2018-10-07 21:27:07.524 [DEBUG] [nding.lgwebos.handler.LGWebOSHandler] - Device disconnected: {"modelName":"LG Smart TV","lastConnected":1538936759,"lastKnownIPAddress":"192.168.0.111","modelNumber":"OLED65C7Y-T","id":"ccccxxxx-xxxx-xxxx-xxxx-xxxx40euuuu","services":{},"lastDetection":1538936759,"friendlyName":"[LG] webOS TV OLED65C7Y"}
2018-10-07 21:30:59.055 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent UNREGISTERING - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=339, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.LGWebOSHandlerFactory, component.id=208} - org.openhab.binding.lgwebos
2018-10-07 21:30:59.061 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent UNREGISTERING - {org.eclipse.smarthome.config.discovery.DiscoveryService, org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery}={service.id=338, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=207} - org.openhab.binding.lgwebos
2018-10-07 21:30:59.067 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STOPPING - org.openhab.binding.lgwebos
2018-10-07 21:30:59.071 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STOPPED - org.openhab.binding.lgwebos
2018-10-07 21:32:52.221 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STARTING - org.openhab.binding.lgwebos
2018-10-07 21:32:52.224 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STARTED - org.openhab.binding.lgwebos
2018-10-07 21:32:52.311 [DEBUG] [.internal.discovery.LGWebOSDiscovery] - Config Parameters: {component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=216}
2018-10-07 21:32:52.321 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.DiscoveryService, org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery}={service.id=342, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=216} - org.openhab.binding.lgwebos
2018-10-07 21:32:52.334 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=343, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.LGWebOSHandlerFactory, component.id=217} - org.openhab.binding.lgwebos
2018-10-07 21:41:52.599 [DEBUG] [nding.lgwebos.handler.LGWebOSHandler] - Capabilities updated: {"modelName":"LG Smart TV","lastConnected":1538937650,"lastKnownIPAddress":"192.168.0.111","modelNumber":"OLED65C7Y-T","id":"ccccxxxx-xxxx-xxxx-xxxx-xxxx40euuuu","services":{},"lastDetection":1538937649,"friendlyName":"[LG] webOS TV OLED65C7Y"} - added: [] - removed: [VolumeControl.Get, VolumeControl.Set, VolumeControl.UpDown, VolumeControl.Subscribe, VolumeControl.Mute.Get, VolumeControl.Mute.Set, VolumeControl.Mute.Subscribe, MediaPlayer.Display.Image, MediaPlayer.Play.Video, MediaPlayer.Play.Audio, MediaPlayer.Close, MediaPlayer.MetaData.Title, MediaPlayer.MetaData.Description, MediaPlayer.MetaData.Thumbnail, MediaPlayer.MetaData.MimeType, MediaPlayer.MediaInfo.Get, MediaPlayer.MediaInfo.Subscribe, TextInputControl.Send, TextInputControl.Enter, TextInputControl.Delete, TextInputControl.Subscribe, MouseControl.Connect, MouseControl.Disconnect, MouseControl.Click, MouseControl.Move, MouseControl.Scroll, KeyControl.Up, KeyControl.Down, KeyControl.Left, KeyControl.Right, KeyControl.OK, KeyControl.Back, KeyControl.Home, KeyControl.KeyCode, MediaPlayer.Display.Image, MediaPlayer.Play.Video, MediaPlayer.Play.Audio, MediaPlayer.Close, MediaPlayer.MetaData.Title, MediaPlayer.MetaData.Description, MediaPlayer.MetaData.Thumbnail, MediaPlayer.MetaData.MimeType, MediaPlayer.MediaInfo.Get, MediaPlayer.MediaInfo.Subscribe, Launcher.App, Launcher.App.Params, Launcher.App.Close, Launcher.App.List, Launcher.Browser, Launcher.Browser.Params, Launcher.Hulu, Launcher.Hulu.Params, Launcher.Netflix, Launcher.Netflix.Params, Launcher.YouTube, Launcher.YouTube.Params, Launcher.AppStore, Launcher.AppStore.Params, Launcher.AppState, Launcher.AppState.Subscribe, Launcher.RunningApp, Launcher.RunningApp.Subscribe, TVControl.Channel.Get, TVControl.Channel.Set, TVControl.Channel.Up, TVControl.Channel.Down, TVControl.Channel.List, TVControl.Channel.Subscribe, TVControl.Program.Get, TVControl.Program.List, TVControl.Program.Subscribe, TVControl.Program.List.Subscribe, TVControl.3D.Get, TVControl.3D.Set, TVControl.3D.Subscribe, ExternalInputControl.Picker.Launch, ExternalInputControl.Picker.Close, ExternalInputControl.List, ExternalInputControl.Set, ToastControl.Show, ToastControl.Show.Clickable.App, ToastControl.Show.Clickable.App.Params, ToastControl.Show.Clickable.URL, PowerControl.Off, WebAppLauncher.Launch, WebAppLauncher.Launch.Params, WebAppLauncher.Message.Send, WebAppLauncher.Message.Receive, WebAppLauncher.Message.Send.JSON, WebAppLauncher.Message.Receive.JSON, WebAppLauncher.Connect, WebAppLauncher.Disconnect, WebAppLauncher.Join, WebAppLauncher.Close, WebAppLauncher.Pin, MediaControl.Play, MediaControl.Pause, MediaControl.Stop, MediaControl.Rewind, MediaControl.FastForward, MediaControl.Seek, MediaControl.Previous, MediaControl.Next, MediaControl.Duration, MediaControl.PlayState, MediaControl.PlayState.Subscribe, MediaControl.Position, MediaPlayer.Subtitle.WebVTT, PlaylistControl.JumpToTrack, PlaylistControl.Next, PlaylistControl.Previous, MediaPlayer.Loop]
2018-10-07 21:41:52.602 [DEBUG] [.internal.discovery.LGWebOSDiscovery] - Device removed: {"modelName":"LG Smart TV","lastConnected":1538937650,"lastKnownIPAddress":"192.168.0.111","modelNumber":"OLED65C7Y-T","id":"ccccxxxx-xxxx-xxxx-xxxx-xxxx40euuuu","services":{},"lastDetection":1538937649,"friendlyName":"[LG] webOS TV OLED65C7Y"}
2018-10-07 21:41:52.616 [DEBUG] [nding.lgwebos.handler.LGWebOSHandler] - Device disconnected: {"modelName":"LG Smart TV","lastConnected":1538937650,"lastKnownIPAddress":"192.168.0.111","modelNumber":"OLED65C7Y-T","id":"ccccxxxx-xxxx-xxxx-xxxx-xxxx40euuuu","services":{},"lastDetection":1538937649,"friendlyName":"[LG] webOS TV OLED65C7Y"}
2018-10-07 21:52:24.283 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STARTING - org.openhab.binding.lgwebos
2018-10-07 21:52:24.285 [DEBUG] [org.openhab.binding.lgwebos ] - BundleEvent STARTED - org.openhab.binding.lgwebos
2018-10-07 21:52:24.401 [DEBUG] [.internal.discovery.LGWebOSDiscovery] - Config Parameters: {component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=216}
2018-10-07 21:52:24.412 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.DiscoveryService, org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery}={service.id=342, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.discovery.LGWebOSDiscovery, component.id=216} - org.openhab.binding.lgwebos
2018-10-07 21:52:24.429 [DEBUG] [org.openhab.binding.lgwebos ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={service.id=343, service.bundleid=219, service.scope=bundle, component.name=org.openhab.binding.lgwebos.internal.LGWebOSHandlerFactory, component.id=217} - org.openhab.binding.lgwebos
Thing is defined as:
Thing lgwebos:WebOSTV:tv0 [ deviceId="xxxxxx-xxxx-xxxxxxx-xxxxxx" ]
Thx for the help