Communication Loss Between Controller And I/O Module - GE Mark VIe System Manual

8.7 Communication Loss Between Controller and I/O
Module
➢ ➢ To resolve communication loss between the controller and I/O module
1. If there are diagnostic alarms on an I/O module related to .xml files, download the base load, firmware, and parameters to
the module.
2. If an I/O module is unable to go online with the controller when powering on a Mark VIe control, cycle power to the
module.
If there are diagnostic alarms on an I/O module related to configuration files, download the base load, firmware, and
3.
parameters to the module.
Condition
No other I/O packs on same IONet switch are losing
communication
Some other I/O packs on same IONet switch are losing
communication
All other I/O packs on same IONet switch are losing
communications
Troubleshooting
Communication Troubleshooting
Potential Problem
I/O pack power
I/O pack communication diagnostic
Incomplete downloads
Improper ToolboxST configuration
I/O pack failure
I/O pack power
I/O pack communication diagnostic
Incomplete downloads
Improper ToolboxST configuration
Improper IONet switch configuration
I/O pack failure
IONet switch power
IONet switch communication
Improper IONet switch configuration
IONet switch failure
Public Information
GEH-6721_Vol_I_BP System Guide 187