I checked overall log and it was true sometimes but now false since a while. I waked up sensor by button and changed to false (saved) and back to true (saved) all while LED is on
Results in following log
2020-05-21 10:06:13.662 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Configured Events: Button: false, Switch (on/off): true, Push: true, Roller: true, Sensor: true, CoIoT: true, Enable AutoCoIoT: false
2020-05-21 10:06:13.677 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Start initializing thing Shelly HT - Bedroom, type shellyht, ip address 192.168.47.11, CoIoT: true
2020-05-21 10:06:13.927 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: Starting CoAP Listener
2020-05-21 10:06:14.380 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoAP Request was canceled
2020-05-21 10:06:14.380 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/shelly
2020-05-21 10:06:15.052 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"type":"SHHT-1","mac":"98F4ABF4711E","auth":false,"fw":"20200309-104344/v1.6.0@43056d58","sleep_mode":true}
2020-05-21 10:06:15.083 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/settings
2020-05-21 10:06:15.099 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoIoT Message from /192.168.47.11:5683 (MID=10102): {"blk":[{"I":1, "D":"sensors"}],"sen":[{"I":33, "D":"temperature", "T":"T", "R":"-40/125", "L":1},{"I":44, "D":"humidity", "T":"H", "R":"0/100", "L":1},{"I":77, "D":"battery", "T":"B", "R":"0/100", "L":1}]}
2020-05-21 10:06:15.130 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoIoT Device Description for SHHT-1#F4711E#1: {"blk":[{"I":1, "D":"sensors"}],"sen":[{"I":33, "D":"temperature", "T":"T", "R":"-40/125", "L":1},{"I":44, "D":"humidity", "T":"H", "R":"0/100", "L":1},{"I":77, "D":"battery", "T":"B", "R":"0/100", "L":1}]}
2020-05-21 10:06:15.615 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"device":{"type":"SHHT-1","mac":"98F4ABF4711E","hostname":"shellyht-F4711E","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellyht-F4711E","key":""},"wifi_sta":{"enabled":true,"ssid":"Holodeck","ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt": {"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellyht-F4711E","reconnect_timeout_max":60.000000,"reconnect_timeout_min":2.000000,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot": {"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin","password":"admin"},"pin_code":"","name":"","fw":"20200309-104344/v1.6.0@43056d58","discoverable":true,"build_info":{"build_id":"20200309-104344/v1.6.0@43056d58","build_timestamp":"2020-03-09T10:43:44Z","build_version":"1.0"},"cloud":{"enabled":true,"connected":true},"timezone":"Europe/Berlin","lat":50.110901,"lng":8.682130,"tzautodetect":true,"tz_utc_offset":7200,"tz_dst":true,"tz_dst_auto":true,"time":"10:06","unixtime":1590055576,"sensors":{"temperature_threshold":1.0,"temperature_unit":"C","humidity_threshold":5.0},"sleep_mode":{"period":12,"unit":"h"},"report_url":"http://192.168.1.108:8080/shelly/event/shellyht-f4711e/report","external_power":0,"temperature_offset":0.0,"humidity_offset":0.0}
2020-05-21 10:06:19.208 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Status update triggered thing initialization
2020-05-21 10:06:20.083 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Start initializing thing Shelly HT - Bedroom, type shellyht, ip address 192.168.47.11, CoIoT: true
2020-05-21 10:06:20.333 [TRACE] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoAP Listener was already started
2020-05-21 10:06:20.333 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/shelly
2020-05-21 10:06:19.849 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Initializing device shellyht-f4711e, type SHHT-1, Hardware: Rev: , batch ; Firmware: v1.6.0 / 20200309-104344 (43056d58)
2020-05-21 10:06:20.349 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Shelly settings info for shellyht-f4711e: {"device":{"type":"SHHT-1","mac":"98F4ABF4711E","hostname":"shellyht-F4711E","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellyht-F4711E","key":""},"wifi_sta":{"enabled":true,"ssid":"Holodeck","ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt": {"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellyht-F4711E","reconnect_timeout_max":60.000000,"reconnect_timeout_min":2.000000,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot": {"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin","password":"admin"},"pin_code":"","name":"","fw":"20200309-104344/v1.6.0@43056d58","discoverable":true,"build_info":{"build_id":"20200309-104344/v1.6.0@43056d58","build_timestamp":"2020-03-09T10:43:44Z","build_version":"1.0"},"cloud":{"enabled":true,"connected":true},"timezone":"Europe/Berlin","lat":50.110901,"lng":8.682130,"tzautodetect":true,"tz_utc_offset":7200,"tz_dst":true,"tz_dst_auto":true,"time":"10:06","unixtime":1590055576,"sensors":{"temperature_threshold":1.0,"temperature_unit":"C","humidity_threshold":5.0},"sleep_mode":{"period":12,"unit":"h"},"report_url":"http://192.168.1.108:8080/shelly/event/shellyht-f4711e/report","external_power":0,"temperature_offset":0.0,"humidity_offset":0.0}
2020-05-21 10:06:20.396 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Device hasRelays:false (numRelays=0),isRoller:false (numRoller=0),isDimmer:false,isPlugS:false,numMeter=0,isEMeter:false),isSensor:true,isDS:false,hasBattery:true (low battery threshold=20%),isSense:false,isLight:false,isBulb:false,isDuo:false,isRGBW2:false,inColor:false,hasLEDs:false,updatePeriod:43200sec
2020-05-21 10:06:20.412 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/status
2020-05-21 10:06:19.177 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: id=1: sensors
2020-05-21 10:06:13.662 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Configured Events: Button: false, Switch (on/off): true, Push: true, Roller: true, Sensor: true, CoIoT: true, Enable AutoCoIoT: false
2020-05-21 10:06:13.677 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Start initializing thing Shelly HT - Bedroom, type shellyht, ip address 192.168.47.11, CoIoT: true
2020-05-21 10:06:13.927 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: Starting CoAP Listener
2020-05-21 10:06:14.380 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoAP Request was canceled
2020-05-21 10:06:14.380 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/shelly
2020-05-21 10:06:15.052 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"type":"SHHT-1","mac":"98F4ABF4711E","auth":false,"fw":"20200309-104344/v1.6.0@43056d58","sleep_mode":true}
2020-05-21 10:06:15.083 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/settings
2020-05-21 10:06:15.099 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoIoT Message from /192.168.47.11:5683 (MID=10102): {"blk":[{"I":1, "D":"sensors"}],"sen":[{"I":33, "D":"temperature", "T":"T", "R":"-40/125", "L":1},{"I":44, "D":"humidity", "T":"H", "R":"0/100", "L":1},{"I":77, "D":"battery", "T":"B", "R":"0/100", "L":1}]}
2020-05-21 10:06:15.130 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoIoT Device Description for SHHT-1#F4711E#1: {"blk":[{"I":1, "D":"sensors"}],"sen":[{"I":33, "D":"temperature", "T":"T", "R":"-40/125", "L":1},{"I":44, "D":"humidity", "T":"H", "R":"0/100", "L":1},{"I":77, "D":"battery", "T":"B", "R":"0/100", "L":1}]}
2020-05-21 10:06:15.615 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"device":{"type":"SHHT-1","mac":"98F4ABF4711E","hostname":"shellyht-F4711E","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellyht-F4711E","key":""},"wifi_sta":{"enabled":true,"ssid":"Holodeck","ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt": {"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellyht-F4711E","reconnect_timeout_max":60.000000,"reconnect_timeout_min":2.000000,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot": {"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin","password":"admin"},"pin_code":"","name":"","fw":"20200309-104344/v1.6.0@43056d58","discoverable":true,"build_info":{"build_id":"20200309-104344/v1.6.0@43056d58","build_timestamp":"2020-03-09T10:43:44Z","build_version":"1.0"},"cloud":{"enabled":true,"connected":true},"timezone":"Europe/Berlin","lat":50.110901,"lng":8.682130,"tzautodetect":true,"tz_utc_offset":7200,"tz_dst":true,"tz_dst_auto":true,"time":"10:06","unixtime":1590055576,"sensors":{"temperature_threshold":1.0,"temperature_unit":"C","humidity_threshold":5.0},"sleep_mode":{"period":12,"unit":"h"},"report_url":"http://192.168.1.108:8080/shelly/event/shellyht-f4711e/report","external_power":0,"temperature_offset":0.0,"humidity_offset":0.0}
2020-05-21 10:06:19.208 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Status update triggered thing initialization
2020-05-21 10:06:20.083 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Start initializing thing Shelly HT - Bedroom, type shellyht, ip address 192.168.47.11, CoIoT: true
2020-05-21 10:06:20.333 [TRACE] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: CoAP Listener was already started
2020-05-21 10:06:20.333 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/shelly
2020-05-21 10:06:19.849 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Initializing device shellyht-f4711e, type SHHT-1, Hardware: Rev: , batch ; Firmware: v1.6.0 / 20200309-104344 (43056d58)
2020-05-21 10:06:20.349 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Shelly settings info for shellyht-f4711e: {"device":{"type":"SHHT-1","mac":"98F4ABF4711E","hostname":"shellyht-F4711E","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellyht-F4711E","key":""},"wifi_sta":{"enabled":true,"ssid":"Holodeck","ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt": {"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellyht-F4711E","reconnect_timeout_max":60.000000,"reconnect_timeout_min":2.000000,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot": {"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin","password":"admin"},"pin_code":"","name":"","fw":"20200309-104344/v1.6.0@43056d58","discoverable":true,"build_info":{"build_id":"20200309-104344/v1.6.0@43056d58","build_timestamp":"2020-03-09T10:43:44Z","build_version":"1.0"},"cloud":{"enabled":true,"connected":true},"timezone":"Europe/Berlin","lat":50.110901,"lng":8.682130,"tzautodetect":true,"tz_utc_offset":7200,"tz_dst":true,"tz_dst_auto":true,"time":"10:06","unixtime":1590055576,"sensors":{"temperature_threshold":1.0,"temperature_unit":"C","humidity_threshold":5.0},"sleep_mode":{"period":12,"unit":"h"},"report_url":"http://192.168.1.108:8080/shelly/event/shellyht-f4711e/report","external_power":0,"temperature_offset":0.0,"humidity_offset":0.0}
2020-05-21 10:06:20.396 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Device hasRelays:false (numRelays=0),isRoller:false (numRoller=0),isDimmer:false,isPlugS:false,numMeter=0,isEMeter:false),isSensor:true,isDS:false,hasBattery:true (low battery threshold=20%),isSense:false,isLight:false,isBulb:false,isDuo:false,isRGBW2:false,inColor:false,hasLEDs:false,updatePeriod:43200sec
2020-05-21 10:06:20.412 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/status
2020-05-21 10:06:19.177 [DEBUG] [elly.internal.coap.ShellyCoapHandler] - shellyht-f4711e: id=1: sensors
> 2020-05-21 11:33:51.539 [DEBUG] [elly.internal.api.ShellyEventServlet] - CallbackServlet: HTTP/1.1 Request from 192.168.47.11:24088/shelly/event/shellyht-f4711e/report?{hum=[55],temp=[24.50]}
> 2020-05-21 11:33:51.554 [TRACE] [elly.internal.api.ShellyEventServlet] - shellyht-f4711e: Process event of type type=report, index=
> 2020-05-21 11:33:51.554 [TRACE] [shelly.internal.ShellyHandlerFactory] - shellyht-f4711e: Dispatch event to thing handler
> 2020-05-21 11:33:51.554 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Event received: class=report, index=, parameters={hum=55, temp=24.50}
> 2020-05-21 11:33:51.648 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/settings
> 2020-05-21 11:33:51.975 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"device":{"type":"SHHT-1","mac":"98F4ABF4711E","hostname":"shellyht-F4711E","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellyht-F4711E","key":""},"wifi_sta":{"enabled":true,"ssid":"Holodeck","ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt": {"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellyht-F4711E","reconnect_timeout_max":60.000000,"reconnect_timeout_min":2.000000,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot": {"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin","password":"admin"},"pin_code":"","name":"","fw":"20200309-104344/v1.6.0@43056d58","discoverable":true,"build_info":{"build_id":"20200309-104344/v1.6.0@43056d58","build_timestamp":"2020-03-09T10:43:44Z","build_version":"1.0"},"cloud":{"enabled":true,"connected":true},"timezone":"Europe/Berlin","lat":500.000000,"lng":500.000000,"tzautodetect":true,"tz_utc_offset":7200,"tz_dst":true,"tz_dst_auto":true,"time":"","unixtime":0,"sensors":{"temperature_threshold":1.0,"temperature_unit":"C","humidity_threshold":5.0},"sleep_mode":{"period":12,"unit":"h"},"report_url":"http://192.168.1.108:8080/shelly/event/shellyht-f4711e/report","external_power":0,"temperature_offset":0.0,"humidity_offset":0.0}
> 2020-05-21 11:33:52.054 [TRACE] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Updating status
> 2020-05-21 11:33:52.070 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/status
> 2020-05-21 11:33:52.117 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"wifi_sta":{"connected":true,"ssid":"Holodeck","ip":"192.168.47.11","rssi":-63},"cloud":{"enabled":true,"connected":true},"mqtt":{"connected":false},"time":"","unixtime":0,"serial":1,"has_update":false,"mac":"98F4ABF4711E","is_valid":true,"tmp":{"value":24.50,"units":"C","tC":24.50,"tF":76.10, "is_valid":true},"hum":{"value":55.0, "is_valid":true},"bat":{"value":100,"voltage":2.96},"act_reasons":["sensor"],"connect_retries":0,"update":{"status":"unknown","has_update":false,"new_version":"","old_version":"20200309-104344/v1.6.0@43056d58"},"ram_total":50432,"ram_free":40356,"fs_size":233681,"fs_free":156122,"uptime":5}
> 2020-05-21 11:33:52.132 [DEBUG] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Updating sensor
> 2020-05-21 11:33:52.148 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP GET for http://192.168.47.11/status
> 2020-05-21 11:33:52.195 [TRACE] [ng.shelly.internal.api.ShellyHttpApi] - shellyht-f4711e: HTTP Response 200: {"wifi_sta":{"connected":true,"ssid":"Holodeck","ip":"192.168.47.11","rssi":-62},"cloud":{"enabled":true,"connected":true},"mqtt":{"connected":false},"time":"","unixtime":0,"serial":1,"has_update":false,"mac":"98F4ABF4711E","is_valid":true,"tmp":{"value":24.50,"units":"C","tC":24.50,"tF":76.10, "is_valid":true},"hum":{"value":55.0, "is_valid":true},"bat":{"value":100,"voltage":2.96},"act_reasons":["sensor"],"connect_retries":0,"update":{"status":"unknown","has_update":false,"new_version":"","old_version":"20200309-104344/v1.6.0@43056d58"},"ram_total":50432,"ram_free":40356,"fs_size":233681,"fs_free":156122,"uptime":5}
> 2020-05-21 11:33:52.210 [TRACE] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Updating temperature
> 2020-05-21 11:33:52.226 [DEBUG] [lly.internal.util.ShellyChannelCache] - shellyht-f4711e: Channel sensors#temperature updated with 24.5 °C (type class org.eclipse.smarthome.core.library.types.QuantityType).
> 2020-05-21 11:33:52.273 [TRACE] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Updating humidity
> 2020-05-21 11:33:52.273 [DEBUG] [lly.internal.util.ShellyChannelCache] - shellyht-f4711e: Channel sensors#humidity updated with 55.0 % (type class org.eclipse.smarthome.core.library.types.QuantityType).
> 2020-05-21 11:33:52.289 [TRACE] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: Updating battery
> 2020-05-21 11:33:52.304 [DEBUG] [lly.internal.util.ShellyChannelCache] - shellyht-f4711e: Channel sensors#lastUpdate updated with 2020-05-21T11:33:52.000+0200 (type class org.eclipse.smarthome.core.library.types.DateTimeType).
> 2020-05-21 11:33:52.304 [TRACE] [y.internal.handler.ShellyBaseHandler] - shellyht-f4711e: 0 more updates requested