6/26/2013 4:21 AM | |
Joined: 2/6/2009 Last visit: 1/7/2025 Posts: 939 Rating:
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hi, it seems like all led s in the plc is on , which is not the healthy condition and non of thr communication ports will be open during such error. please check the link for more information about all leds on in plc. https://www.automation.siemens.com/tf/WW/en/Posts/39157#top |
Last edited by: Saravana kumar at: 6/26/2013 7:48 AM_______________________________________________________________ |
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6/27/2013 7:24 AM | |
Joined: 3/21/2006 Last visit: 3/19/2025 Posts: 10239 Rating:
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The procedure must be done when power supply is OFF. Check if you properly plug the module in rack. Eventually replace the slot. If still all leds are ON -Support Request Best regards, Hristo Mihalev
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