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6RA22 no dispaly

4/5/2012 5:46 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello Experts, We have got 6RA2231-3FJ10 simoreg drive. Its display on main A1 card goes off & also relay K1 on A2 card chatters. I checked the supply at 2U - 2V on A2 card & found ok. i.e. 380 volt. Can any one guide me as what could be the problem? or which further points I need to check. Thanks in advance. DEEP,
PISCEAN 2010 Posts: 8092 Rating: (884)
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4/7/2012 5:49 PM	Rate (0)
hazem Posts: 329 Rating: (6)	Dear, sure you have problem with power board . first you test 380 supply can you record power? second you have 24dc supply and -+15 ,-+ 10 volts can you record it either you have loose contact with power board may be welding of item loose and after contactor get on/off may be loose or finally you have short circuit with 24,15,10. Regards,
hazem Posts: 329 Rating: (6)
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4/8/2012 7:06 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello hazem, Yes you are right. I do suspect dry soldering on A2 PCB. Can any one provide me the supply test points on A2 card? Thanks in advance. DEEP.
PISCEAN 2010 Posts: 8092 Rating: (884)
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4/8/2012 7:08 PM	Rate (0)
hazem Posts: 329 Rating: (6)	Dear, Unfotrunately i do not have it. Regards,
hazem Posts: 329 Rating: (6)
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4/9/2012 12:45 PM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Ok. Thanks for sharing information.
PISCEAN 2010 Posts: 8092 Rating: (884)
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5/6/2012 2:38 AM	Rate (0)
hazem Posts: 329 Rating: (6)	Dear, did you rectify your problem. Regards,
hazem Posts: 329 Rating: (6)
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5/6/2012 7:17 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello, Yes as replied in my earlier post, carried out resoldering at few points on A2 cardhelped me to attend the problem. But not able to exact pin out the reason. Also till not received the circuit diagrams.
PISCEAN 2010 Posts: 8092 Rating: (884)
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