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Troubleshooting
26
Note: For some models of the ISS, the order in which the five radiation shield plates are assembled may
be slightly different than the order shown in the figure on page 25. For this reason, ensure that you
always reassemble the plates in the same order in which they were disassembled.
4. Reassemble the plates in the same order in which they were disassembled, and fasten
them together using a Phillips head screwdriver to tighten the 4” screws, as shown in
the illustration.
Cleaning the Rain Collector Cone
To maintain accuracy, thoroughly clean the rain collector several times a year.
Note: Cleaning the rain collector and tipping buckets my cause false rain readings. Unplug the RAIN sen-
sor from the SIM before cleaning so that no inaccurate readings are logged, or clear the weather
data that was logged on the Vantage Pro2 console after cleaning is complete. See your Vantage
Pro2 Console Manual for instructions on clearing weather data.
1. Separate the cone from the base by turning it counter-clockwise.
2. Use soapy water and a soft cloth to remove any debris from the cone, cone screen, and
tipping bucket.
3. Use pipe cleaners to clear the funnel hole in the cone and drain screens in the base.
4. When all parts are clean, rinse with clear water.
5. Re-attach the cone and replace the debris screen.
Troubleshooting
If a Sensor Functions Intermittently
Carefully check all connections from the sensor to the ISS. See “Check SIM Sensor
Connections” on page 4.
Loose connections account for a large portion of potential problems. Connections should
be firmly seated in receptacles and plugged in straight. To check for a faulty connection,
try jiggling the cable while looking at the display. If a reading displays intermittently on
the console as the cable is jiggled, the connection is faulty. Try removing and then re-
installing the cable to correct the faulty connection. If the sensor still functions intermit-
tently contact Technical Support. See “Contacting Davis Instruments” on page 27.
Most Common Rain Collector Problem
If the rain collector seems to be under-reporting rainfall, remove the rain collector cone to
clean the tipping bucket and clear out any debris. Make sure the cable tie around the
tipping bucket has been cut and removed.
Most Common Anemometer Problems
“The anemometer head is tilted when I mount the anemometer.”
With the Allen wrench provided in the supplied hardware, loosen the screws
holding the anemometer head on the arm. (The screws are on the bottom of the
anemometer head, by the wind cups.) Turn the anemometer head so it is straight
and then tighten the screws.
07395.249 Manual ISS Installation_RevE_Final_Print.pdf 28 4/7/2008 1:44:50 PM