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Meaning of the SF LED blinking continuously

8/26/2023 10:59 AM	Rate (0)
JS@SIEMENS Posts: 1 Rating: (0)	HI, can anyone help me understand the meaning of the SF LED blinking continuously. this happened after there was a power failure. CPU has no errors on it. only the EM231 modules Red LED is blinking. ------------------------------------------------------------------------------------------ Split from EM231 for Thermocouples 4 AI . Problems with the SF RED LED..
JS@SIEMENS Posts: 1 Rating: (0)	Last edited by: The Helping Hand at: 08/31/2023 07:49:07 New subject after splitting
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8/31/2023 12:57 PM	Rate (0)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 4/19/2025 Posts: 10876 Rating: (837)	Hello, I can recommend only check diag buffer with conenct to PLC and see options under CPU Online Informations. There can be maybe reason of problem under some screen - Modules,...
	With best regards... Ivan Duris Flight: OMICO
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