User's Guide ______________________________________________________________________
116 _________________________________________________________________ M210482EN-B
4.
Pull the DMX501 module gently out of its place on the CLE311
board to avoid bending its legs.
0406-057
Figure 24 DMX501
5.
Check that the legs of the new DMX501 module are straight
before placing it on the CLE311 board. Once the DMX501
module is in its place, push it gently to the CLE111 board.
6.
Put the CLE311 board back the same way as you removed it.
For more details, refer to steps 6 to 9 in section Replacing
Ceilometer Engine Board CLE311 on page 100.
7.
Connect the CT3839 power cable.
8.
Switch the power on with all three switches. Wait until the
Laser on
LED starts blinking at 2-second intervals. Make sure
that all six diagnostic LEDs light up after the self-test. Refer to
Figure 19 on page 99.
The ceilometer unit should return to normal operation. Verify that the
unit is working properly and that there are no failures with the system.
If failures exist, separate troubleshooting may be necessary.
