Crystal Vision
Trouble
shooting
6 Trouble shooting
Card edge monitoring
The card edge may be used to perform simple trouble shooting. The Statesman PC
control system can be used for more comprehensive trouble shooting.
The card edge LEDs will indicate a fault in the on-board power supplies,
missing external reference or a misplaced switch.
Basic fault finding guide
The Power LEDs are not illuminated
Check that the frame PSU is functioning – refer to the appropriate frame manual for
detailed information
There is no video output
Check that any cabling is intact
The video output exhibits jitter
Check that the input signal stability is within normal limits and that the maximum cable length
has not been exceeded
The card no longer responds to card edge or remote controller
Check that the card is seated correctly and that the Power OK
LED is lit Check any active control panel cabling
Check if the control panel can control another card in the same rack
If necessary re-set the card by simply removing it from the rack whilst powered and
re-inserting it after a few seconds. It is safe to re-insert the card whilst the rack is
powered
Check that the remote/local lever is correctly set for the mode of operation.
REFGEN User Manual R2.0
22
11 January 2019
