User manual
Diagnostics and Troubleshooting MVI56-HART ♦ ControlLogix Platform
User Manual HART Multi-drop Master Communication Module
Page 76 of 171 ProSoft Technology, Inc.
October 13, 2011
4.2 LED Status Indicators
The LEDs indicate the module’s operating status as follows:
LED Color Status Indication
CFG Green On NA
Off NA
P1 Green On NA
Off NA
P2 Green On Data is being transferred between the module and a remote
terminal using the Configuration/Debug port.
Off No data is being transferred on the Configuration/Debug port.
APP
Status
Amber Off The MVI56-HART is working normally.
On The MVI56-HART module program has recognized a
communication error.
BP ACT Amber On The LED is on when the module is performing a write
operation on the backplane.
Off The LED is off when the module is performing a read
operation on the backplane. Under normal operation, the LED
should blink rapidly on and off.
OK Red/
Green
Off The card is not receiving any power and is not securely
plugged into the rack.
Green The module is operating normally.
Red The program has detected an error or is being configured. If
the LED remains red for over 10 seconds, the program has
probably halted. Remove the card from the rack and re-insert
the card to restart the module’s program.
BAT Red Off The battery voltage is OK and functioning.
On The battery voltage is low or battery is not present. Allow
battery to charge by keeping module plugged into rack for 24
hours. If BAT LED still does not go off, contact ProSoft
Technology, as this is not a user serviceable item.
4.2.1 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
ControlLogix 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.