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NCU 7-segment display error

Created by: Lisnyak Maksim at: 4/20/2010 7:23 AM (7 Replies)

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4/20/2010 7:23 AM	Rate (0)
Lisnyak Maksim Advanced Member Joined: 11/20/2009 Last visit: 7/30/2024 Posts: 11 Rating: (0)	NCU 573.5. When ncu stsrted on the 7-segment display light 2. Later flash off and 1.......0........9. around andaround. 1-0-9 is error code?

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4/20/2010 8:11 AM	Rate (0)
RAM81 Silver Member Joined: 3/3/2008 Last visit: 10/5/2023 Posts: 333 Rating: (52)	hi this is because the NCU is not able to read the system software from the PCMCIA card . try to clear the NC & PLC once . if the problem persist try to change the card with an appropriate system software. with regards ram

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4/20/2010 8:55 AM	Rate (0)
Lisnyak Maksim Advanced Member Joined: 11/20/2009 Last visit: 7/30/2024 Posts: 11 Rating: (0)	Hi, I did it. We changed PCMCI card, board PLC and board NC com socet x106. General reset does not help. It would be desirable to know, what this error means? with best regards lisnm

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4/22/2010 7:56 AM	Rate (0)
RAM81 Silver Member Joined: 3/3/2008 Last visit: 10/5/2023 Posts: 333 Rating: (52)	hi The flash code has the following meaning: 1 – The checksum determined does not correspond to the checksum stored in the header 0 - The loading of the PLC or COM module in portions delivers an incorrect value 9 –Unsuccessful memory check for DRAM/SRAM This flash code indicates a storage problem. The reason is a defective power supply unit. with regards ram

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4/23/2010 7:12 AM	Rate (0)
Lisnyak Maksim Advanced Member Joined: 11/20/2009 Last visit: 7/30/2024 Posts: 11 Rating: (0)	Thanks

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4/23/2010 7:13 AM	Rate (0)
Lisnyak Maksim Advanced Member Joined: 11/20/2009 Last visit: 7/30/2024 Posts: 11 Rating: (0)	Thanks

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1/13/2023 12:50 PM	Rate (0)
Ilya Pankov Regular Member Joined: 6/26/2013 Last visit: 11/10/2024 Posts: 13 Rating: (0)	Hello, Maksim! I have the same problem. Were you able to fix the problem with the power supply?
	Regards, ILYA P.
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1/15/2023 5:37 AM	Rate (0)
nulizhang Platinum Expert Joined: 10/17/2007 Last visit: 1/22/2025 Posts: 4157 Rating: (363)	ILYA P. the original owner of the post has been 13 years ago --also this error is common error of defective NCU it is hard to repair --I think less than 10% , don't waste time on it
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