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CPU224 do not go into RUN mode

Created by: JoshNPS at: 10/27/2020 7:51 AM (3 Replies)

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10/27/2020 7:51 AM	Rate (0)
JoshNPS Regular Member Joined: 10/15/2019 Last visit: 2/2/2023 Posts: 11 Rating: (1)	Good day all, I have a problem with a S7-200 CPU224 DC/DC/DC. There is power on the PLC but the RUN led does not turn on. Only the STOP led stays on ORANGE. The MODE switch is set to RUN but the PLC still does not run. Moving the switch does nothing. Is it possible that the PLC is "bad"? The PLC is +/- 20 years old

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10/27/2020 9:06 AM	Rate (0)
qwazee Platinum Member Joined: 3/30/2020 Last visit: 11/12/2024 Posts: 4947 Rating: (1011)	JoshNPS Good day all, I have a problem with a S7-200 CPU224 DC/DC/DC. There is power on the PLC but the RUN led does not turn on. Only the STOP led stays on ORANGE. The MODE switch is set to RUN but the PLC still does not run. Moving the switch does nothing. Is it possible that the PLC is "bad"? The PLC is +/- 20 years old Hello. The PLC you speak of has a three way mode switch. Make sure you are switching to the furthest right position. Is that what you did? Is it possible for you to connect the PLC to a PC? The Microwin software has some tools to diagnose status messages from the PLC which may help further analysis. Good luck.
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This contribution was helpful to 1 thankful Users JoshNPS

10/27/2020 10:01 AM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 10/29/2024 Posts: 705 Rating: (76)	Hello, If you get fatal error here is example how to reset it. Attachment 2.png (335 Downloads)

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This contribution was helpful to 1 thankful Users JoshNPS

10/27/2020 10:55 AM	Rate (0)
JoshNPS Regular Member Joined: 10/15/2019 Last visit: 2/2/2023 Posts: 11 Rating: (1)	qwazee JoshNPS Good day all, I have a problem with a S7-200 CPU224 DC/DC/DC. There is power on the PLC but the RUN led does not turn on. Only the STOP led stays on ORANGE. The MODE switch is set to RUN but the PLC still does not run. Moving the switch does nothing. Is it possible that the PLC is "bad"? The PLC is +/- 20 years old Hello. The PLC you speak of has a three way mode switch. Make sure you are switching to the furthest right position. Is that what you did? Is it possible for you to connect the PLC to a PC? The Microwin software has some tools to diagnose status messages from the PLC which may help further analysis. Good luck. Yes moving the switch yields no results. The PLC stays in STOP mode with the STOP led illuminated. Unfortunately the PLC is in another country and I am assisting remotely.

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