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Programme erased from MP 277

6/13/2011 7:21 PM	Rate (0)
MavEric Bronze Member Joined: 5/28/2009 Last visit: 1/18/2025 Posts: 127 Rating: (10)	Dear all, I faced a problem in MP 277. There was sudden power failure in the panel , and the program downloaded in the MP got erased. I had to download the programme once again in the MP 277. What can be the reason for the erased programme in the MP 277?
	Regards, SKD
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6/13/2011 7:37 PM	Rate (0)
Amit_86 Platinum Member Joined: 3/18/2008 Last visit: 12/8/2023 Posts: 1750 Rating: (272)	MavEric Dear all, I faced a problem in MP 277. There was sudden power failure in the panel , and the program downloaded in the MP got erased. I had to download the programme once again in the MP 277. What can be the reason for the erased programme in the MP 277? i have also faced similar problem in past. By redownloading the program again i solved it but don't know the reason why program got erased? Then i switched off and switch on MP quite a few time but problem disappeared.
	VANDE MATARAM.....
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6/13/2011 9:59 PM	Rate (0)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	MavEric Dear all, I faced a problem in MP 277. There was sudden power failure in the panel , and the program downloaded in the MP got erased. I had to download the programme once again in the MP 277. What can be the reason for the erased programme in the MP 277? Hello, I do not know the reason. Few weeks ago, the same problem happen to my client with OP37!!! If I remember well, and according to my client words, there was some fluctuations in the power before power failure. After power on the panel again, he found that the program got erased!!! He was lucky that he has a copy of the program. I am not sure what may be the reason that earse the software!!
	Ayman Elotaify
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6/14/2011 6:16 AM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, In case of MP277 is recommended to make a backup saving to external storage device. A backup involves copying the operating system, applications and data from the internal in flash memory of the HMI device to an external storage device. More at http://support.automation.siemens.com/WW/view/en/23337820 Best regards, Hristo Mihalev

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