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6
Trouble shooting
The green card edge POWER LED is not lit
·
check the PSU indicator to confirm that there is power to the frame
·
check the resettable fuses protecting the card - do this by removing the power to
the card for about 30 seconds then restoring the power
·
if necessary, refer to the power supply trouble shooting guide in the appropriate
ICON rackframe manual section
There is no output signal
·
ensure that the green power LED on the front of the main card is lit
·
check that the green +5V LED is lit on the 5288 sub-module
·
check that a vaild input is connected to the rear panel
·
check that the red LOSS OF INPUT LED is not lit
The output signal is corrupted
·
check the quality of the input signal(s)
·
Check Red "No Ref" led on 5288 is off
·
Check Red "Loss of Input 1" is off
·
check that the red LOW REF LED on the main card is not lit
·
check that the appropriate termination has been set
·
check that the appropriate sample rate has been selected
The manual gain control does not work
The incorrect mode may have been selected
·
check that jumper PL1 on the sub-module is set to '0'
·
press the reset button on the sub-module to change mode if necessary
·
ensure that jumper PL4 on the sub-module is set to 'NORM'
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Issue 2
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