Node Red Call Service node stopped working

@stevemann wrote:

My Home Assistant server (Raspberry Pi-3) crashed last week and as my bad luck had it, I had no saved snapshots. So, I am starting over.

Getting my lights and switches back on Alexa seemed to be working. I had been using Alexa-Local nodes in the past, but an Alexa Discover couldn’t find the nodes on the new system, so I decided to try Alexa-Home. Discover finds the Alexa-Home nodes nicely, except for the frequent:

Error: connect ECONNREFUSED 34.240.81.189:8883

I’ll work on that later unless someone has any suggestions.
By my real issue is with the Call Service node.

I can reliably turn the light on or off using the Services tab:

HA-services907×589 42.5 KB

So, I put the entity and service into a Call Service node:

HA-Call Service Node512×719 43.7 KB

After deploying, everything seemed to work, then my wife called me to dinner.
A couple of hours later, one of the Call Service nodes has this error:

"Call-service API error. "

and the other has this error:

“Call-Service attempted without connection to server.”

The only difference from the two is the service; switch.turn_on or switch.turn_off.

Here is what my flow looks like:

HA-Call Service Flow886×245 35.7 KB

And here is the flow:

[ 
   { 
      "id":"75ebe44.60af51c",
      "type":"inject",
      "z":"ae89a19a.1fd39",
      "name":"on",
      "topic":"",
      "payload":"on",
      "payloadType":"str",
      "repeat":"",
      "crontab":"",
      "once":false,
      "x":470,
      "y":580,
      "wires":[ 
         [ 
            "7c92a4da.c068fc"
         ]
      ]
   },
   { 
      "id":"fc188614.f1eae8",
      "type":"inject",
      "z":"ae89a19a.1fd39",
      "name":"Off",
      "topic":"",
      "payload":"off",
      "payloadType":"str",
      "repeat":"",
      "crontab":"",
      "once":false,
      "x":470,
      "y":620,
      "wires":[ 
         [ 
            "56defcf1.8ffa24"
         ]
      ]
   },
   { 
      "id":"52ffe154.20495",
      "type":"alexa-home",
      "z":"ae89a19a.1fd39",
      "conf":"49ef520c.ed4c0c",
      "device":"93601",
      "acknoledge":true,
      "name":"Floodlight",
      "topic":"",
      "x":140,
      "y":520,
      "wires":[ 
         [ 
            "2efea101.04239e"
         ]
      ]
   },
   { 
      "id":"2efea101.04239e",
      "type":"switch",
      "z":"ae89a19a.1fd39",
      "name":"Turn light on or off",
      "property":"command",
      "propertyType":"msg",
      "rules":[ 
         { 
            "t":"eq",
            "v":"TurnOnRequest",
            "vt":"str"
         },
         { 
            "t":"eq",
            "v":"TurnOffRequest",
            "vt":"str"
         }
      ],
      "checkall":"true",
      "outputs":2,
      "x":330,
      "y":520,
      "wires":[ 
         [ 
            "9413c9d0.915b48"
         ],
         [ 
            "c3528af3.bc2c58"
         ]
      ]
   },
   { 
      "id":"9413c9d0.915b48",
      "type":"change",
      "z":"ae89a19a.1fd39",
      "name":"Set payload to on",
      "rules":[ 
         { 
            "t":"set",
            "p":"payload",
            "pt":"msg",
            "to":"on",
            "tot":"str"
         }
      ],
      "action":"",
      "property":"",
      "from":"",
      "to":"",
      "reg":false,
      "x":550,
      "y":500,
      "wires":[ 
         [ 
            "7c92a4da.c068fc"
         ]
      ]
   },
   { 
      "id":"c3528af3.bc2c58",
      "type":"change",
      "z":"ae89a19a.1fd39",
      "name":"Set payload to off",
      "rules":[ 
         { 
            "t":"set",
            "p":"payload",
            "pt":"msg",
            "to":"off",
            "tot":"str"
         }
      ],
      "action":"",
      "property":"",
      "from":"",
      "to":"",
      "reg":false,
      "x":550,
      "y":540,
      "wires":[ 
         [ 
            "56defcf1.8ffa24"
         ]
      ]
   },
   { 
      "id":"94d052df.3be92",
      "type":"comment",
      "z":"ae89a19a.1fd39",
      "name":"========== Floodlight ==========",
      "info":"",
      "x":230,
      "y":460,
      "wires":[ 

      ]
   },
   { 
      "id":"7c92a4da.c068fc",
      "type":"api-call-service",
      "z":"ae89a19a.1fd39",
      "name":"Floodlight On",
      "server":"cc0d1734.6963a8",
      "version":1,
      "debugenabled":true,
      "service_domain":"switch",
      "service":"turn_on",
      "entityId":"switch.aeon_labs_zw139_nano_switch_switch",
      "data":"",
      "dataType":"json",
      "mergecontext":"",
      "output_location":"",
      "output_location_type":"none",
      "mustacheAltTags":false,
      "x":790,
      "y":540,
      "wires":[ 
         [ 

         ]
      ]
   },
   { 
      "id":"56defcf1.8ffa24",
      "type":"api-call-service",
      "z":"ae89a19a.1fd39",
      "name":"Floodlight Off",
      "server":"cc0d1734.6963a8",
      "version":1,
      "debugenabled":true,
      "service_domain":"switch",
      "service":"turn_off",
      "entityId":"switch.aeon_labs_zw139_nano_switch_switch",
      "data":"",
      "dataType":"json",
      "mergecontext":"",
      "output_location":"",
      "output_location_type":"none",
      "mustacheAltTags":false,
      "x":790,
      "y":600,
      "wires":[ 
         [ 

         ]
      ]
   },
   { 
      "id":"49ef520c.ed4c0c",
      "type":"alexa-home-conf",
      "z":"",
      "username":"SteveMann"
   },
   { 
      "id":"cc0d1734.6963a8",
      "type":"server",
      "z":"",
      "name":"Home Assistant- Raspberry",
      "legacy":true,
      "hassio":true,
      "rejectUnauthorizedCerts":true,
      "ha_boolean":"y|yes|true|on|home|open",
      "connectionDelay":true,
      "cacheJson":true
   }
]

Assistance would be appreciated…

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