GE / IP FANUC Series 90/30 In Stock
This troubleshooting guide is a test of a GE Fanuc IC697CPU731 90-70 processor, an IC697CHS750 5 slot rack, and an IC697PWR711 power supply. Note that the door is off so that you can better see this setup and illustration.
And what you want check in the beginning is the CPU OK LED. If this light is blinking or it’s not on at all you definitely have a problem with the processor. If this is the case then you won’t be able to complete this test; please go to the bottom of this page for links to parts and service.
Okay, so what you’re going to do here is connect up to the device using Proficy Machine Edition. Once you are connected you want to test the Port; there’s only one port on this. Once you are connected you are going to go into programmer mode to Target > Online Commands and under Online Commands > Clear. The Clear Memory will pop up and what you want to do here is clear any controller fault table or I/O fault table and leave the rest of the selections alone because you could actually clear some memory that you don’t want to clear.
It’s just those two selections, click OK and once that’s successfully done, you‘re going to Download and Run. It’s basically a blank program because there’s no other modules or input and output information. You just want to get the processor into Run Mode, so when the Machine Edition asks you what you want to download to the controller,just Hardware and Configuration & Logic. That’s it, nothing to the flash memory no initial force values. So now click OK. The goal here again is to just get the processor into Run Mode.
Okay so now you are going to test this toggle switch, it’s the only other feature on this particular processor.
And the toggle switch has 3 positions: 1) OK LED, 2) Run Enabled LED, and 3) the last LED is I/O Enabled Input Output is enabled. So the first click down shuts off the I/O so it’s I/O disabled (only two top LEDs remain on), second click shuts down the Run mode, Run mode disabled (only the top LED remains on). And so the LED’s go on and off with this switch indicating to you that this feature is working. So, that’s pretty much the entire test for this processor.
If you still feel like there’s a problem with this processor, then you should leave it in run mode over night or over a weekend and what you’re hoping to see is that the processor stays in run mode. That’s usually an indication that it’s a good processor.
If for any reason it falls out of Run mode you can go to your Proficy Machine Edition top menu bar, Target and then toward the bottom there’s a category called Diagnostics and in your Info-Viewer page a fault table will pop up and show you any faults that made the processor fall out of Run mode and if it’s something that you don’t understand contact us for help.
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