ProSoft Technology MVI46-MCM - Manual (Page 34)

Diagnostics and Troubleshooting MVI46-MCM ♦ SLC Platform
User Manual Modbus Communication Module
Page 34 of 108 ProSoft Technology, Inc.
March 29, 2011
4.1 LED Status Indicators
The LEDs indicate the module’s operating status as follows:
LED Color Status Indication
P1 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.
P2 Green On Data is being transferred between the module and the
Modbus network on its Modbus Port 1.
Off No data is being transferred on the port.
P3 Green On Data is being transferred between the module and the
Modbus network on its Modbus Port 2.
Off No data is being transferred on the port.
APP Amber On The MVI46-MCM is working normally.
Off The MVI46-MCM module program has recognized a
communication error on one of its Modbus ports.
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.