Diagnostics and Troubleshooting
Fault Detection and Troubleclearing
Fault detection and troubleclearing
Table 21 describes the status messages that appear on the I/O Module Diagnostics displays in the user utility and operator interface, as well as the status indications of the POWER LED located on the controller CPU module.
Table 21 Details of the I/O module diagnostics display
I/O Module
Diagnostics
(In The User Utility and
Operator Interface)
Menu | Status |
Item |
|
|
|
MODULE | GOOD |
1through
MODULE
Controller |
| Fault Detection / Troubleclearing | ||
LED on CPU |
|
|
|
|
|
|
|
|
|
|
| Possible Cause | Controller Action | User Action |
|
|
|
|
|
− | − |
| − | − |
|
|
|
|
|
MODULE | HI CJ |
1 through | TEMPERATURE |
MODULE |
|
16 |
|
|
|
MODULE | WRONG |
1 through | MODULE |
MODULE |
|
16 |
|
|
|
MODULE NO MODULE
1through
MODULE
POWER LED flashes 10 times
POWER LED flashes 11 times
POWER LED flashes 11 times.
High cold junction temperature on AI module.
The module does not agree with the module required for the control strategy.
No module found in the slot that requires a module for the control strategy.
Executes normally.
These function block types do the following:
AI – sets its output to failsafe
DI – sets its output to OFF
These function block types do the following:
AI – sets its output to failsafe
DI – sets its output to OFF
1.Improve ventilation to rack.
2.Replace AI module
1.Replace module.
2.Check configuration.
1.Install the correct type of module.
2.Check configuration.
Release F | UMC800 Controller Installation and User Guide | 87 |
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