Hi,
I have a Fenix 3 and it started to reboot while I was swimming.
Left the watch untouched for a couple of days in case it had water or something and then I connect it to the computer to see the error log.
These are the contents of the files:
ERR_LOG.TXT
2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 3.802000V 02/26/21 11:40:16 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 3.805000V 02/26/21 11:40:54 AP LVD POR 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 3.798000V 02/26/21 05:42:01 BF PC: 0x0012e074* LR: 0x0003624d SP: 0x20023070 CFSR: 0x00000400 Return Address (LR): 0x00165373:Call Stack - PSP at 0x20023050: 0x0003624d 0x000adf6b 0x0000e033 0x0010a18d 0x0010a377 0x00017e8b 0x001421af 0x00036ab9 0x0003624d 0x00142253 0x00036ab9 0x00112295 0x000e7819 0x000e655b 0x000e864d 0x00162caf 0x00081ca1 0x001f9f6f 0x000e61f1 0x000a7a29 HWM_usb_connected = 0x00. HWM_usb_mode = 0x01. page addr = 0x000e61f1 Uptime: 98122 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 3.968000V 02/26/21 11:44:03 AP LVD POR 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.131000V 02/26/21 13:37:39 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.126000V 02/26/21 13:38:49 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.122000V 02/26/21 13:39:50 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.122000V 02/26/21 13:41:02 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.118000V 02/26/21 13:42:10 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.120000V 02/26/21 13:43:23 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.115000V 02/26/21 13:44:25 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.112000V 02/26/21 13:45:28 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.113000V 02/26/21 13:46:32 AP LOC 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.112000V 02/26/21 13:47:34 AP LOCK 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.108000V 02/26/21 13:52:40 AP LOCK 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.065000V 02/26/21 15:59:37 AP LOCK 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 4.063000V 02/26/21 16:45:36 AP LOCK 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 3.883000V 10/07/21 02:39:38 AP LVD POR 2050 (fenix 3) SW ver: 960 Build Type: RELEASE ESN: 3900220975 Battery Voltage: 3.668000V 10/08/21 16:36:52 AP LVD POR