I have a computer repair shop. Sometimes I work on Windows-based CNC controls, usually just on the "computer" features to get things working well enough so vendor technicians can have remote access to the "CNC" features.
Now, I got a call from a customer asking for help with a lathe controller. A Mazak Quick Turn 20 shows nothing on its screen. It has red and green indicator lights that mean a "parity error" according to a phone technician. An EEPROM reset was recommended, but it's not clear how to do that when the screen is always blank.
Here's the info my customer gave me over the phone. Not sure what all the numbers mean.
Mazak QuickTurn 20 lathe, 115751
Mazak T Plus
Mitsubishi M515LWY, M515LWY0265
Numbers on circuit boards and cards:
QX031A
C1N634A499G52 REV *
QX141 (EEPROM?)
QX084
QX521
QX539
Shortly before the screen started staying blank, it had displayed an "Alarm 24" message. My customer wasn't clear what it meant; he said there were several possibilities including "overload."
Right now, I'm just trying to figure out if this problem is something we can fix, or if shipping the control off for service is our only option.
In a different thread...
cnczone.com/forums/mazak-mitsubishi-mazatrol/290152-mazak.html
...I see instructions for similar systems. That gave me the idea that the screen could have failed. My customer is now checking out that idea.
Anything else that seems obvious for us to try?