2015-12-04 | Technical improvements, changes in design, printing- and other errors expected.
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5. Troubleshooting
General Recovery Processing
Failure Phenomenon
Reason
Settle Method
LED does not work
no electric power or fuse
burn out
Power ON or Fuse replace
LED is black
Temperature maybe too
high
Force Cooling
The measurement of the
LED displays the status is normal,
but there is no laser output or the
output does not match the display
output laser power is not
correct.
Ring flange or test jumper
connection is dirty.
Change the output laser power sensor
Clean the connection
Change the test jumper
Test jumper connection
mismatches.
Both, the laser power of the
optical transmitter and receiver
are normal, but there is no RF
output signal at the receiver or the
output level is too low.
No input RF signal or RF
connection is not good.
Check the RF level and reconnect the
RF input.
If you checked everything mentioned above and the failure phenomenon still exists, the transmitter should be
shut down immediately. Please contact the producer directly.
