How To Troubleshoot GE Fanuc Redundant IC697CGR935 CPU

Introduction: GE Fanuc IC697CGR935 Troubleshooting Guide

This is a trouble shooting guide for a 90-70 processor, part number IC697CGR935. Note that you don’t have to be concerned about the revision numbers; they do not matter as it’s going to be the same test for all of them.

Step 1: Configure & Power Up

Go ahead and put IC697CGR935 in the slot. We’re using a IC697CHS750 five slot rack for testing the processor. This unit is empty for the purpose of just testing the processor. And you’re going to go ahead and power it up using an IC697PWR711. The next thing is the OK light and this has to be solid before you can do the test, if it’s blinking for you or if it’s not coming on at all, you definitely have a problem with your processor.
This is something that we typically look at and typically repair. We offer repair service for re-manufacture parts, new parts, and exchange programs. So if that is something that you need to do or interests you, please contact us!

 

Step 2: Connect Up to Port 3

Now that you have it powered up and have a solid light you want to connect through Port 3. The cable illustrated below is an AS693232SNP.

 
In the background, using a Proficy* Machine Edition, click the little lightening bolt icon and connect to the processor. Port #3 should immediately begin communicating and talking and if you you know its working.
 

Step 3: Set Up & Configure for Test

Now that you’re connected up you’re going to go to the target menu about halfway down is the Online Commands and when that screen opens up you want to go to clear. A window will pop up called Clear Memory. All you want to do here is clear Controller Fault Table and I/O Table that’s the bottom two selections. DON’T select anything else because you could risk losing information on the processor. Now you’re going to click Yes to clear that information. Once it’s successfully cleared, you’re going to download and run this. Remember this is blank information, blank slot, and empty slot racks, just the CPU.
Now It’s going to ask you what do you “what do you want to download to the controller. You want to download just Hardware Configuration and Logic, the top two selections. You do not want to write Initial Force Values or write any information to the flash memory. Click OK.

Step 4: Complete Build & Get Processor Into Run Mode

The goal here is to try to get the processor into Run mode, it’s one of the major functions of course. So, once this build is complete you’re going to enable output and run mode.

 
The three green lights are: 1) top left LED is the OK LED 2) middle left LED is Run enabled 3) bottom left LED is I/O enabled or Input Output enabled. So, there’s a 3 position switch that corresponds with these three LED’s. When in the top position it allows all three LED’s or functions to be on.
When you click the 3 position switch into the middle selection, you’re going to lose the bottom LED meaning that the outputs will be disabled. When you go down to the lower position, the third position, it will take you out of run mode or Run disabled.
Now turn on run enabled and output enabled again so all three LEDs are green again. So if this switch works and the LEDs work you’re going to look at is the bottom Memory Protect LED on it’s own. It’s going to indicate to you if the memory protection feature is working. By turning this key to the ON position the LED should come on, telling you that it is functioning.

 

Step 5: Check Port #2

Now that the bottom port is working, Port #3, we want to test Port #2. You’re going to disconnect Port 3 and plug into Port #2 and look for some communication on Port #2. You should immediately have some communication ie: a blinking LED.

Step 6: Additional Steps If Necessary

If you feel like this is a processor that’s giving you trouble in any way, what you want to do is leave it running over night or a couple days or maybe over a weekend and the goal is to try to make sure that it stays in run mode. If for any reason it drops out of run mode what you want to do is go into Proficy* Machine Edition, go to Target > and the drop down menu. Toward the bottom there is a selection called Diagnostic and you want to click Diagnostic and it will give you the reason for the fault that made it fall out of run mode and then you can better determine what’s wrong with your processor.

Tags: GE Fanuc, IC697CGR935, Troubleshooting Guide

This entry was posted on March 29th, 2015 and is filed under GE Fanuc, Troubleshooting Guide. Both comments and pings are currently closed.