GE / IP FANUC Series 90/30 In Stock
This troubleshooting guide is a test of a GE Fanuc IC697CPM925 with a central processor powered up in an IC697CHS750 5-slot rack, which is empty because this is just a test on the processor. This module is being powered by an IC697PWR711 power supply, which is powered up to begin this illustration.
The first thing you want to do in testing your processors, is to check the LED. Keep in mind that in this illustration the door with door card is off so it is not distracting to this test, but the door has information on what the different LED’s are.
The first one is Module OK, and yours should be solid green. If it is, that’s good. If for any reason you do not have this LED light on or it’s blinking and cannot communicate, that means there is definitely a large error or big problem with your processor and you will not be able to follow this test and would need to stop right now. If this is the case, please see the bottom of this page for links to parts and service.
Now to be connected, you use an HE693SNP232 Cable which has LEDs which are part of a user interface that blinks, letting you know the processor and software are communicating. (see above)
Now you should be connected through Proficy Machine Edition software. The first thing you want to do is click the green hand print button, which will toggle you to Program Mode. Next thing you want to do on the Top Menu Bar is go to Target, and go to Online Commands. When that pops open you will want to go to Clear. To go any further, you will need to clear Controller Fault Table and I/O Fault Table because your configuration, being empty, is going to be different than what it was before.
So you need to clear those before you go any further. Make sure you do NOT clear any memory related items because you may lose something you need. So just stick to the bottom two selections: Controller and I/O Fault Tables. Ok, Clear those, Ok.
The next thing is, once those are clear, is to go to the Download And Run Icon, and download information and run button. The first thing that comes up is the question, “what do you want to download?” Again, just a simple task is to get our processor into Run Mode, and all you want to download is Controller, Hardware Configuration, and Logic, the top two selections.
Then it is going to build and go through a build sequence and then will allow you to go into Run Mode. You will know you are in Run Mode because all three LED’s will be on.(see image below). And going from the top: The top LED Module is OK; The middle is Run Enabled; And bottom is Run Enabled with Outputs Enabled.
This allows us to test the Toggle Switch first. Note that there are no other ports to test on this processor.
So first, that when the Toggle Switch (see above) is in the upright most position, all three LED lights should be on.
When you go to the middle selection on the Toggle Switch and the outputs are disabled, but the processor is still in Run Mode. Then when you go to the bottom most selection of the Toggle Switch, the processor is in Stop Mode. So you have manually stopped the processor and the LED’s are telling you that it is stopped and the software is telling me that it is stopped. Therefore, you know that this is working perfectly.
Next thing is that you should have a key for the Memory Protect Switch.
Sometimes you might have a problem with it and its not always an internal problem. A lot of times this switch will stop working. But in this illustration it is working and you can tell because when you turn it to the On position telling you the Memory Protect LED turns on and is functioning. If this is working for you, you can turn it off.
If you feel that this is a problem processor that is giving you trouble, what you should normally do is leave the processor in Run Mode just as you see it here, over night or over a weekend (2-3 days). What you are trying to do is you want to see if the processor can hold itself in Run Mode for a couple days.
If for some reason it pops out of Run Mode or it fails, then you know there is some sort of a problem or fault. In this case go to Proficy Machine Edition while you’re still connected and go to your Target on the Top Menu Bar and go down to Diagnostics.
Click on Diagnostics and your Info Viewer screen will pop up with a Fault Table and will tell you exactly why your processor popped out of Run Mode and give you the errors. Sometimes the errors are written in codes and can be hard to understand. A lot of the time we get useful information from it. So i do recommend that you check there first if you have a problem. And if it is still something you cannot get passed or beyond the scope of what you want to repair, please contact us.
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