ROY_WERNER
Plastic
- Joined
- Feb 14, 2020
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Likely to be the MEM board. You should do a complete backup of programs offsets, parameters and diagnostics. That may not be possible. Depending on the urgency of getting the machine back to normal, and the cost of repair, you have several options.
You say it is static while powering up. Does it stay that way? Or clear up? I think I would wiggle some connections and wires first.
This problem came after memory replacement (replaced mem chips). That due to the problem restoring original parameters and diagnostics (problem loading 900 parm)
After inputting the 900 parameter machine always got the mem error (911 Alarm)
So you removed and replaced the memory chips on the board? Were the new chips the same speed as the original? I was told by a Fanuc tech years ago that one can use faster memory chips, but not slower. The speed is indicated by the dash number on the chip.
Did you verify that the cables are connected to the mem board correctly? IIRC, both connectors (CCX5 and M3) are the same so a mix-up would be possible.
I have replaced a couple of monitors with LED monitors. Look on fleabay for A611-0001-0093 LED replacements. Usually under two hundred bucks. Yeah, cheap Chinese crap, but they seem to hold up.
Thanks alphonso!
So it's my monitor you think?
I would suspect connections to monitor first. Then play with setting pots. If that doesn't do it, I would seriously consider a replacement. Any old school TV repair people in your neck of the woods? Might have more expertise than me.
That really looks like a digital issue.
Those 9" crt units are basic analogue vga signal level devices. That really doesn't look like a typical cable or crt issue.
I wonder if the parameters are set for a different screen / lcd or something?
Maybe a stupid question, but no chance the cables might have got mixed up at the control and plugged into the wrong ports?
A couple of things to consider.
If you put it back to the original configuration does it revert back to the original problem? This will help to determine where the problem may lie.
Silly question but when you changed memory boards you did swap over the EPROMS for the ladder, firmware, exc. right?
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