lỗi stop trên CPU Siemen

[anhnamhm]

như mã code này Event ID 16# 4309 thi tra ở đâu vậy?

Event 12 of 12: Event ID 16# 4309
Memory reset started automatically (power on not backed up )
Initialization information: Memory reset due to backup power failure
No relevance for user (Z1): 0001
Previous operating mode: No voltage
Requested operating mode: STOP (memory reset)
Incoming event
0630.450 AM 01/01/1994.

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