In my situation volume and mute work, everything else is not working.
I checked with the Samsung app and everything is working fine, seems to be an error in the binding.
Checking log files various of this errors:
2017-03-19 16:13:05.810 [ERROR] [rnal.service.RemoteControllerService] - Could not send command to device on 192.168.178.12:55000: org.openhab.binding.samsungtv.internal.protocol.RemoteControllerException: Connection failed
I got this error message about I successfuly install the latest 2.4 binding (which autodiscovered the samsung TV).
2019-02-21 15:50:01.209 [ERROR] [nal.common.AbstractInvocationHandler] - An error occurred while calling method 'ThingHandler.handleCommand()' on 'org.openhab.binding.samsungtv.internal.handler.SamsungTvHandler@5d3a3ffb': Command 'REFRESH' not supported
java.lang.NumberFormatException: Command 'REFRESH' not supported
at org.openhab.binding.samsungtv.internal.service.MediaRendererService.setMute(MediaRendererService.java:259) ~[?:?]
at org.openhab.binding.samsungtv.internal.service.MediaRendererService.handleCommand(MediaRendererService.java:148) ~[?:?]
at org.openhab.binding.samsungtv.internal.handler.SamsungTvHandler.handleCommand(SamsungTvHandler.java:114) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]
at org.eclipse.smarthome.core.internal.common.AbstractInvocationHandler.invokeDirect(AbstractInvocationHandler.java:153) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at org.eclipse.smarthome.core.internal.common.InvocationHandlerSync.invoke(InvocationHandlerSync.java:59) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at com.sun.proxy.$Proxy187.handleCommand(Unknown Source) [254:org.openhab.binding.samsungtv:2.4.0]
at org.eclipse.smarthome.core.thing.internal.profiles.ProfileCallbackImpl.handleCommand(ProfileCallbackImpl.java:75) [109:org.eclipse.smarthome.core.thing:0.10.0.oh240]
at org.eclipse.smarthome.core.thing.internal.profiles.SystemDefaultProfile.onCommandFromItem(SystemDefaultProfile.java:49) [109:org.eclipse.smarthome.core.thing:0.10.0.oh240]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]
at org.eclipse.smarthome.core.internal.common.AbstractInvocationHandler.invokeDirect(AbstractInvocationHandler.java:153) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at org.eclipse.smarthome.core.internal.common.Invocation.call(Invocation.java:53) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
at java.lang.Thread.run(Thread.java:748) [?:?]
2019-02-21 15:50:01.233 [WARN ] [tv.internal.handler.SamsungTvHandler] - Channel 'samsungtv:tv:8505e5a8_790b_6d93_8457_5b8bf8b77bfd:sourceName' not supported
2019-02-21 15:50:01.234 [ERROR] [nal.common.AbstractInvocationHandler] - An error occurred while calling method 'ThingHandler.handleCommand()' on 'org.openhab.binding.samsungtv.internal.handler.SamsungTvHandler@5d3a3ffb': Command 'REFRESH' not supported
java.lang.NumberFormatException: Command 'REFRESH' not supported
at org.openhab.binding.samsungtv.internal.service.MediaRendererService.setVolume(MediaRendererService.java:243) ~[?:?]
at org.openhab.binding.samsungtv.internal.service.MediaRendererService.handleCommand(MediaRendererService.java:145) ~[?:?]
at org.openhab.binding.samsungtv.internal.handler.SamsungTvHandler.handleCommand(SamsungTvHandler.java:114) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]
at org.eclipse.smarthome.core.internal.common.AbstractInvocationHandler.invokeDirect(AbstractInvocationHandler.java:153) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at org.eclipse.smarthome.core.internal.common.InvocationHandlerSync.invoke(InvocationHandlerSync.java:59) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at com.sun.proxy.$Proxy187.handleCommand(Unknown Source) [254:org.openhab.binding.samsungtv:2.4.0]
at org.eclipse.smarthome.core.thing.internal.profiles.ProfileCallbackImpl.handleCommand(ProfileCallbackImpl.java:75) [109:org.eclipse.smarthome.core.thing:0.10.0.oh240]
at org.eclipse.smarthome.core.thing.internal.profiles.SystemDefaultProfile.onCommandFromItem(SystemDefaultProfile.java:49) [109:org.eclipse.smarthome.core.thing:0.10.0.oh240]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]
at org.eclipse.smarthome.core.internal.common.AbstractInvocationHandler.invokeDirect(AbstractInvocationHandler.java:153) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at org.eclipse.smarthome.core.internal.common.Invocation.call(Invocation.java:53) [102:org.eclipse.smarthome.core:0.10.0.oh240]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
at java.lang.Thread.run(Thread.java:748) [?:?]