Initial System Test
Before installing the sensor module, test the sensor at close range to verify operation. Once this
test has been completed satisfactorily, the sensor module can be installed. If a problem occurs
during the test procedure, refer to “Troubleshooting” on page 22.
1. Apply power to the controller and check its operation to confirm that it works properly.
2. When power to the receiver is first applied, the “Min”
Water Conservation indicator will illuminate. The
rain sensor receiver (TWRS) will display alternating
boxes (Figure 5). The rain/freeze sensor receiver
(TWRFS) will display two flashing bars (Figure 6).
3. Hold the sensor next to the receiver. Press and hold
the sensor test spindle as shown in Figure 7.
Important: The test spindle must held down for
least of 15 seconds to establish communication.
The Sensor Status indicator will illuminate (Figure 8),
the Antenna symbol will flash and the signal bars
will appear. Release the test spindle. The TWRS
receiver will display alternating boxes (Figure 9)
and the TWRFS receiver will display the current air
temperature (Figure 10).
8
Figure 6
Figure 7
Figure 5
Figure 8
Figure 10 (TWRFS)Figure 9 (TWRS)
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