Crystal Vision
Trouble shooting
5.2 Frequently asked questions
Why are no LEDs illuminated?
Check that the frame PSU is functioning
Check that the frame is powered and that the fuse is intact
Check that the panel is cabled correctly
What should I do if the TEMP LED is red?
Check that cool air is able to circulate through the front panel grilles and out of the
ventilation holes at each side of the frame
Check that the panel and PSU fans are operational and that the FAN LED is not
red
What should I do if the FAN LED is red?
Check that the fan is plugged in correctly
Try replacing the fan
How do I check PSU or RS422 COMMS status?
Press the DEVICE key in Statesman mode to display frame diagnostics
Look at the COMMS LED. It should flash slowly at medium intensity when a valid
communication link is present. It will flash brightly when the communication link is
active
Why doesn't the switch on the front panel that sets the slot address work?
Changing this switch only takes effect the next time the front panel is powered up
Indigo DT User Manual R1.8
31
05 July 2018
