Chapter 8 ___________________________________________________________________Repair
VAISALA______________________________________________________________________ 107
7. After attaching the window, clean it properly. See section Cleaning
on page 92.
8. Place th
e measurement unit inside the shield, reconnect the blower
cable to connector J1, and tighten the three attachment screws
(marked A in Figure 6 on page 28).
9. Connect the power cable to connector J2.
10.
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 are lit. Refer to Figure 26 on page 111.
The ceilometer unit should now 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.
Replacing Ceilometer Laser Transmitter
CLT321
Refer to number 5 in Figure 22 on page 104.
WARNING
Ceilometer Transmitter CLT321 emits invisible laser radiation, which is
harmful to the eye if viewed at a short distance. Never remove the
Ceilometer Transmitter from its normal position without first switching
off both the line and the battery power and detaching the transmitter
ribbon cable from the Ceilometer Engine Board CLE321.
CAUTION
Servicing the equipment must only be performed by qualified
maintenance personnel.
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