Hello,
Oui, strictement rien dans les logs. Je ne vois que ces warnings qui m'indiquent que le syno a rebooté :
Warning,System,2017/10/23 23:40:24,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/24 16:11:10,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/26 15:37:03,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/27 01:31:10,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/27 16:53:29,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/30 14:50:52,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/31 11:21:21,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/31 12:29:37,SYSTEM,System booted up from an improper shutdown.
Warning,System,2017/10/31 14:55:41,SYSTEM,System booted up from an improper shutdown.
Rien non plus dans les logs noyau... Je penche pour un bloc d'alim défectueux... mais en fait j'en sais rien !