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Iotawatt rebooting every 61 seconds

Morning Folks,

I have two Iotawatts in operation. Both have worked flawlessly for some months until about two weeks ago.
One is now rebooting every 60 seconds or so with the log entry below repeated with each. I see the reason being “Software Watchdog” but what is causing this and how do I fix it?

Thanks, Mike

** Restart **

SD initialized.
10/31/19 12:05:21z Real Time Clock is running. Unix time 1572523521
10/31/19 12:05:21z Reset reason: Software Watchdog
10/31/19 12:05:21z Trace: 1:3, 1:4, 1:3, 1:4, 1:3, 1:4, 1:3, 1:4, 1:3, 1:4, 1:3, 1:4, 1:1[5], 1:2[6], 9:0[6], 9:0, 9:1, 8:4, 8:6, 8:8, 8:9, 9:3, 9:5, 9:9, 1:2, 1:3, 10:13, 1:4, 1:5[14], 14:0, 14:1, 14:2
10/31/19 12:05:21z ESP8266 ChipID: 6910477
10/31/19 12:05:21z IoTaWatt 4.x, Firmware version 02_05_01
10/31/19 12:05:21z SPIFFS mounted.
10/31/19 08:05:22 Local time zone: -5:00
10/31/19 08:05:22 Using Daylight Saving Time (BST) when in effect.
10/31/19 08:05:22 device name: IotaWat2
10/31/19 08:05:22 MDNS responder started for hostname IotaWat2
10/31/19 08:05:22 LLMNR responder started for hostname IotaWat2
10/31/19 08:05:22 HTTP server started
10/31/19 08:05:22 WiFi connected. SSID=XXXXXXXX, IP=192.168.200.170, channel=11, RSSI -59db
10/31/19 08:05:22 timeSync: service started.
10/31/19 08:05:23 statService: started.
10/31/19 08:05:23 Updater: service started. Auto-update class is ALPHA
10/31/19 08:05:23 dataLog: service started.
10/31/19 08:05:23 dataLog: Last log entry 10/31/19 08:05:15
10/31/19 08:05:24 Updater: Auto-update is current for class ALPHA.
10/31/19 08:05:27 EmonService: started. url:80=emoncms.org, node=IotaWat2, interval=10, encrypted
10/31/19 08:05:28 EmonService: Start posting at 10/31/19 08:05:20
10/31/19 08:06:23 historyLog: service started.
10/31/19 08:06:23 historyLog: first entry 09/16/19 08:43:00

** Restart **

SD initialized.
10/31/19 12:06:27z Real Time Clock is running. Unix time 1572523587
10/31/19 12:06:27z Reset reason: Software Watchdog
10/31/19 12:06:27z Trace: 10:14, 10:14, 10:15, 10:16, 10:16[1], 10:16[1], 10:16[1], 10:16[2], 10:17, 10:22, 10:23, 10:17, 1:4, 1:1[8], 1:2[9], 9:0[9], 9:0, 9:1, 8:4, 8:6, 8:8, 8:9, 9:3, 9:5, 9:9, 1:2, 1:3, 1:4, 1:5[14], 14:0, 14:1, 14:2
10/31/19 12:06:27z ESP8266 ChipID: 6910477
10/31/19 12:06:27z IoTaWatt 4.x, Firmware version 02_05_01
10/31/19 12:06:27z SPIFFS mounted.
10/31/19 08:06:28 Local time zone: -5:00
10/31/19 08:06:28 Using Daylight Saving Time (BST) when in effect.
10/31/19 08:06:28 device name: IotaWat2
10/31/19 08:06:28 MDNS responder started for hostname IotaWat2
10/31/19 08:06:28 LLMNR responder started for hostname IotaWat2
10/31/19 08:06:28 HTTP server started
10/31/19 08:06:28 WiFi connected. SSID=XXXXXXXX, IP=192.168.200.170, channel=11, RSSI -60db
10/31/19 08:06:29 timeSync: service started.
10/31/19 08:06:29 statService: started.
10/31/19 08:06:29 Updater: service started. Auto-update class is ALPHA
10/31/19 08:06:29 dataLog: service started.
10/31/19 08:06:29 dataLog: Last log entry 10/31/19 08:06:20
10/31/19 08:06:30 Updater: Auto-update is current for class ALPHA.
10/31/19 08:06:33 EmonService: started. url:80=emoncms.org, node=IotaWat2, interval=10, encrypted
10/31/19 08:06:34 EmonService: Start posting at 10/31/19 08:06:30

Hi Mike,

I suggest The IoTaWatt forum is a better place to ask your question, as it seems that it is specifically about the operation and use of IoTaWatt. That is managed by Bob Lemaire, its creator, and he and the other users there are more likely to have the specific knowledge to help you.

The IoTaWatt forum uses the same software as this forum, but you must register a new account there. If the user name you have here is not taken, it might be helpful to have the same user name in both places.

If you post your question there, I’m sure he or somebody will get back to you quickly.