Use the following troubleshooting steps if you encounter problems when the module is powered up. If these steps do not resolve your problem, please contact ProSoft Technology Technical Support.Verify that the module is plugged into the slot that has been configured for the module in the I/O Configuration of RSLogix. Verify that the slot location in the rack has been configured correctly in the ladder logic.This indicates a problem with backplane communications. A problem could exist between the processor and any installed I/O module, not just the MVI69-MCM. Verify that all modules in the rack are correctly configured in the ladder logic.
Clearing a Fault Condition Typically
if the OK LED on the front of the module turns RED for more than ten seconds, a hardware problem has been detected in the module or the program has exited. To clear the condition, follow these steps: 1 Turn off power to the rack. 2 Remove the card from the rack. 3 Verify that all jumpers are set correctly. 4 If the module requires a Compact Flash card, verify that the card is installed correctly. 5 Re-insert the card in the rack and turn the power back on. 6 Verify correct configuration data is being transferred to the module from the CompactLogix or MicroLogix controller. If the module's OK LED does not turn GREEN, verify that the module is inserted completely into the rack. If this does not cure the problem, contact ProSoft Technology Technical Support.
Steps to take
This indicates that backplane transfer operations are failing. Connect to the module’s Configuration/Debug port to check this. To establish backplane communications, verify the following items:
The processor is in RUN or REM RUN mode.
The backplane driver is loaded in the module.
The module is configured for read and write data block transfer.
The ladder logic handles all read and write block situations.
The module is properly configured in the processor I/O configuration and ladder logic.
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