TM 5-3895-374-24-1 Chapter 9 Troubleshooting TROUBLESHOOTING CONSIDERATIONS COMMUNICATION INDICATOR DESCRIPTION PROBABLE CAUSES RECOMMENDED ACTION ILLUMINATED RED During Power Up Normal None During Self Diagnostics Normal None Hardware Malfunction Defective Power Supply 1.  Check for proper power supply voltage 2.  Replace power supply 3.  Disconnect module, call your Allen-Bradley service representative Software Malfunction Diagnostic Failure 1.  Consult error code on module display 2.  Reset module 3.  Cycle power to module TROUBLESHOOTING CONSIDERATIONS COMMUNICATIONS INDICATIOR DESCRIPTION PROBABLE CAUSES RECOMMENDED ACTION FLASHING RED Illegal Network Connection Improper Module Setup Configuration Refer to module display TROUBLESHOOTING CONSIDERATIONS COMMUNICATIONS INDICATOR DESCRIPTION PROBABLE CAUSES RECOMMENDED ACTION ILLUMINATED GREEN Communicating on Network Module Configured for Monitor Mode None TROUBLESHOOTING CONSIDERATIONS COMMUNICATIONS INDICATOR DESCRIPTION PROBABLE CAUSES RECOMMENDED ACTION FLASHING GREEN Communicating on Network Module Configured for Modify Mode None Data Being Entered in Monitor Override Mode None page 3-396