請教大家關于FM458報錯的問題，我FM458后邊掛的是FM438，設備用了一年沒出過問題，最近458運行報警，斷電重新上電以后就恢復了，但是運行一段時間后又報警，錯誤代碼如下請大家幫忙分析謝謝。
Event 35 of 100: Event ID 16# 4550
DEFECTIVE: internal system error
No relevance for user (Z1): 0711
Previous operating mode: RUN
Requested operating mode: DEFECTIVE
Internal error, Incoming event
11:49:23.000 PM 01/02/1994
(Coding: 16# 4550 FF8D 0050 0711 0000 0000)
Cause:
The internal CPU firmware has detected an inconsistent status that can also result from a firmware error on the CPU.
Effect:
This status is indicated by all the CPU LEDs flashing. In this status, the program is no longer executed and no further operations are possible. Outputs are deactivated.
To correct or avoid errors:
Normally the CPU is operational again after turning it off and on again, or with more serious errors after turning it off and on again without battery backup (in either case the CPU must first be switched to STOP). The detailed information of the diagnostic buffer entry contains a hexadecimal code with the comment "No relevance for user". Note down this code and contact the manufacturer.
Make sure that there is not simply a mechanical problem by removing and reinserting the CPU.
The CPU is defective if the error occurs again after power on without battery backup.
In an M7 system:
The event can also be indicated on a function module (FM).
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