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How to set only two fan working on power supply?

Created by: sysnergy teo at: 6/24/2020 8:07 AM (3 Replies)

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6/24/2020 8:07 AM	Rate (0)
sysnergy teo Experienced Member Joined: 3/27/2014 Last visit: 6/3/2023 Posts: 5 Rating: (1)	Hello hotline, may I ask how to set only two fan working on power supply 6ES5955-3LC42 ------------------------------------------------------------------------------------------ Split from problem about fan alarms with S5 power supply.
	Last edited by: Jen_Moderator at: 06/24/2020 08:33:46 New subject after splitting
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6/24/2020 8:09 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 6/9/2023 Posts: 30001 Rating: (3730)	sysnergy teo Hello hotline, may I ask how to set only two fan working on power supply 6ES5955-3LC42 Her's no hotline, here's only a user forum.

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6/24/2020 9:52 PM	Rate (0)
Contrologica Bronze Member Joined: 10/5/2006 Last visit: 6/6/2023 Posts: 74 Rating: (3)	According to the 135U/155U system manual: If a fan fails, the following takes place: 1 A fan fails. Result: - The red LED assigned to the fan lights up. 2 Contacts 9 and 10 in the "Warning" relay are closed. 3 The faulty fan is switched off. 4 The other two fans operate at increased voltage and an audibly higher speed. Is something different happening in your situation?
	Last edited by: sdyson at: 06/24/2020 21:52:47 Automation Programmer PLC \| HMI \| SCADA \| SQL New Systems, Modifications System Upgrades & Conversions Siemens EPROM & EEPROM Service -------------------------------------------------------- Email: info@contrologica.com Visit: https://contrologica.com
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6/30/2020 4:28 PM	Rate (0)
sysnergy teo Experienced Member Joined: 3/27/2014 Last visit: 6/3/2023 Posts: 5 Rating: (1)	Hi Contrologica, you are correct. the other two fans are operated at high speed. Thank you

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