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Logo 8.4 slave does not start

Created by: Fredjuhh at: 5/6/2024 2:24 PM (15 Replies)

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16 Entries

Entries per page: 10 | all

9/4/2024 8:28 AM	Rate (0)
AutoGen_5139491 Posts: 1 Rating: (0)	Has anyone solved the problem yet?
AutoGen_5139491 Posts: 1 Rating: (0)
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9/4/2024 12:02 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/12/2026 Posts: 36435 Rating: (4547)	No, there is no solution yet. Siemens has not taken a firmware update to solve this problem ...

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9/6/2024 5:26 AM	Rate (0)
AutoGen_380038 Silver Member Joined: 9/11/2014 Last visit: 1/8/2026 Posts: 893 Rating: (37)	Hi, Workaround: 1. Don't interrupt the power supply of the LOGO! Slave 2. Instead of Master Slave you can try Mastere/Master if both are LOGO! 8. Hope this helps

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9/6/2024 7:10 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/12/2026 Posts: 36435 Rating: (4547)	AutoGen_380038 Hi, Workaround: 1. Don't interrupt the power supply of the LOGO! Slave 2. Instead of Master Slave you can try Mastere/Master if both are LOGO! 8. Hope this helps Hm... there is not only the deliberate switching off of the power supply, sometimes you have no influence over it if the power supply is switched off due to an error. And there are cases where all LOGO!s are from the 8.4 series. And then what? Simply don't use a slave just because Siemens has a fault in the firmware? It seems that Siemens is becoming the norm to suggest workarounds instead of troubleshooting.

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10/27/2024 8:27 AM	Rate (1)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/12/2026 Posts: 36435 Rating: (4547)	The problem "LOGO! 8.4 slave does not start after power failure" was solved with the firmware update to V1.84.03. I upgraded the firmware and tested it, and the error was fixed. You can download the soft- and firmware update from here: Firmware update for LOGO! 8.4 basic devices and service pack 1 for LOGO! Soft Comfort V8.4

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This contribution was helpful to 2 thankful Users Moderator_Lan AutoGen_380038

10/29/2024 10:56 AM	Rate (0)
Fredjuhh Member Joined: 4/12/2018 Last visit: 2/10/2025 Posts: 10 Rating: (0)	Yes, you are correct.... Problem (Starting slave Automatic after power cycle) finally solved after almost 6 months. Strange thing on my side : I didn't got a message you posted your last message. Otherwise I would know it 2 days earlier

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