EDIT : en lisant Observations bug sur le mode de connexion - Plugins / Communication - Communauté Jeedom je me suis dis que en effet sortir les logs côté appli serait une bonne chose ! 
Les voici, avec l’API Key obfusquée (et en 4G avec WS activé)
De ma compréhension le souci vient du fait que l’appli tente toujours de communiquer via l’IP locale (192.168.1.200:800) 
14:42:29 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:29 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953349185,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:42:29 | INFO | [ConnectionManager] onClose
14:42:29 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 1
14:42:29 | ERROR | onConnectionError {"payload":"L’opération n’a pas pu s’achever. (OSStatus erreur -9836.)"}
14:42:29 | ERROR | [Connection error {"payload":"L’opération n’a pas pu s’achever. (OSStatus erreur -9836.)"}
14:42:30 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:30 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 2
14:42:31 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:31 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 3
14:42:32 | DEBUG | [urlProvider] force netInfos refresh
14:42:32 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:42:32 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953352911,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:42:32 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:32 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953352911,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:42:33 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 4
14:42:34 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:34 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 5
14:42:35 | DEBUG | [urlProvider] force netInfos refresh
14:42:35 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:42:35 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953355951,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:42:35 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:35 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953355951,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:42:36 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 6
14:42:37 | DEBUG | [urlProvider] force netInfos refresh
14:42:37 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:42:37 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953357718,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:42:37 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:37 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953357718,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:42:37 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 7
14:42:39 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:39 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 8
14:42:41 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:41 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 9
14:42:43 | DEBUG | [urlProvider] force netInfos refresh
14:42:43 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:42:43 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953363989,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:42:43 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:44 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953363989,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:42:44 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 10
14:42:46 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:46 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 11
14:42:49 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:49 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 12
14:42:52 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:52 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 13
14:42:55 | DEBUG | [urlProvider] force netInfos refresh
14:42:55 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:42:55 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953375323,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:42:55 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:55 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953375323,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:42:55 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 14
14:42:58 | DEBUG | [urlProvider] Next url EXTERNAL
14:42:58 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 15
14:43:01 | DEBUG | [urlProvider] force netInfos refresh
14:43:01 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:43:01 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953381618,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:43:01 | DEBUG | [urlProvider] Next url EXTERNAL
14:43:01 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953381618,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:43:01 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 16
14:43:04 | DEBUG | [urlProvider] force netInfos refresh
14:43:04 | DEBUG | net settings : {"type":"cellular","isConnected":true,"details":{"cellularGeneration":"4g","isConnectionExpensive":true,"carrier":"Orange France"},"isInternetReachable":true}
14:43:04 | DEBUG | sendToJcApi {"url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":{"method":"PING","jsonrpc":"2.0","id":1661953384768,"params":{"apiKey":"xxx"}},"baseUrl":"http://192.168.1.200:800"}
14:43:04 | DEBUG | [urlProvider] Next url EXTERNAL
14:43:04 | ERROR | Error in sendToJcApi {"message":"Network Error","name":"AxiosError","config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{"FormData":null},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json"},"cancelToken":{"promise":{"_h":1,"_i":0,"_j":null,"_k":{"onRejected":null,"promise":{"_h":0,"_i":0,"_j":null,"_k":null}}},"_listeners":[null]},"method":"post","url":"http://192.168.1.200:800/plugins/JeedomConnect/core/api/JeedomConnect.api.php","data":"{\"method\":\"PING\",\"jsonrpc\":\"2.0\",\"id\":1661953384768,\"params\":{\"apiKey\":\"xxx\"}}"},"code":"ERR_NETWORK","status":null}
14:43:04 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 17
14:43:07 | DEBUG | [urlProvider] Next url EXTERNAL
14:43:08 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 18
14:43:11 | DEBUG | [urlProvider] Next url EXTERNAL
14:43:11 | ERROR | [ws] onError L’opération n’a pas pu s’achever. (OSStatus erreur -9836.) 19