I'm getting my '89 QT8 with T32-2 back up and running after it was sitting for a while and lost parameters. I restored parameters and everything seems ok. After I start the machine up and home it, I'm getting alarm "250 Spindle Start Misoperation" when I try to run the spindle (spindle jogging works fine). The machine was not throwing this alarm before this recent downtime. From what I was able to read, this is an interlock on the spindle that can be set by multiple conditions. While the machine was down I did replace the chuck clamp/unclamp switch which the the previous owner had somehow rewired to be linked to the keyed ID/OD switch when they couldn't find a proper replacement. The wiring diagram was not much help with this but I was able to put a new switch in and rewire in a way that "seems" plausible based on the existing wires. The switches appear to be functioning correctly in how they work the chuck but maybe there is something still wrong with the wiring? The clamp/unclamp lights on the panel are not illuminating. I did go through the R49 chuck parameters and made sure it is using a timer to set chuck clamp/unclamp and not looking for prox switch signals.
I also am not sure how to check the PLC bits and have no ladder diagram for this machine, so I'm basically guessing as to what could be locking the spindle out. Does anyone have any diagnostic advice? I'm guessing it's something simple like a wrong parameter or a minor wiring/switch issue but I'm not sure what else to check before I call a tech.
I also am not sure how to check the PLC bits and have no ladder diagram for this machine, so I'm basically guessing as to what could be locking the spindle out. Does anyone have any diagnostic advice? I'm guessing it's something simple like a wrong parameter or a minor wiring/switch issue but I'm not sure what else to check before I call a tech.
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