GE / IP FANUC Series 90/30 In Stock
This troubleshooting guide is a test of a GE Fanuc IC697CPU772 90-70 processor in an empty IC697CHS750 5 slot rack, powered by an IC697PWR711 power supply and in this illustration its already powered up.
The OK LED on the CPU should be working and solid green. If this light for you is blinking or it’s not on at all, you have to stop here because you won’t be able to follow this guide. That means that there is definitely a problem with the processor. If so, go to the bottom of this page for links to parts, service and help.
Okay, next thing you are going to do is, using Proficy Machine Edition GE software, you are going to connect up to the device and this of course will test the only port. And you should see that it is connected.
Now you are going to go into program mode, next go into Target > Online Commands and then in the sub menu Clear and the Clear Memory window will pop up, and you want to clear the bottom two selections which are Controller fault table and I/O Fault Table. Don’t clear any other selections because it can actually harm your memory, you’ll probably lose some things that you don’t want to lose so just the faults.
Once that’s successful, you’re going to Download and Run using the Download with Run icon button. Now it’s asking you what do you want to download to the controller, just Hardware Configuration and Logic. You don’t want to write anything to the permanent flash memory or initial force values. So, you’re going to OK that. Again this is the whole point. You’re trying to get the processor into Run mode and it’s just a basic test on the processor alone, no other modules to make sure that the processor is functioning.
Now, when the build is complete you are going to select Yes, enable the inputs and outputs. So, it’s in Run mode and the LED is OK, CPU run mode enabled, and I/O enabled. These three lights (see image above) are on and it tells you that the processor is OK at the moment.
Now, the other feature of course is the toggle switch which has three positions and as you toggle through it will toggle On and Off the Run mode and the Input Output. The switch in this illustration starts out at the top position, so down one click is Input Output disabled and down the next click and you’re back to where you started, run disabled. So we know that this switch is working and
can tell by the LED’s. And that’s basically the entire test!
Now if this is a processor that you feel might be giving you trouble, what you should do is to leave the processor running over night or over a weekend, two or three days and you’re hoping that the processor stays in run mode and that the LED’s stay on.
If for any reason it kicks itself out of Run mode you want to refer to your Proficy Machine Edition again, connect up go to Target and at the bottom you’ll see a Diagnostics. Click on that and a Fault Table viewer will pop up. This will be in your info viewer tab and it will describe why it came out of run mode and what the error was. Sometimes the output is very useful and easy to understand and other times not. If it is something you don’t understand, get in touch with us.
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