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Loss of communication
If the sensor system does not communicate within a 24-hour period, it will
remain in its current state (Active or Monitor). To alert you to this condition,
the Attention Required symbol will be displayed. The Antenna symbol
and current air temperature (TWRFS only) will be flashing and the signal
bar indicator will be cleared. See Figure 25.
If communication is not restored within 48 hours, the receiver module will
automatically revert to the Monitor mode, allowing the irrigation system to
resume automatic operation. The Attention Required and Antenna symbols
will flash. On the TWRFS model, the temperature is replaced with two dashes.
The Water Conservation indicators will flash in unison. See Figure 26.
Prolonged Active Mode
If the sensor system remains in the Active mode for seven consecutive days, it
will automatically revert to the Monitor mode, allowing the irrigation system to
resume automatic operation. The Sensor Status indicator will flash continuously
and the Attention Required symbol will be displayed. See Figure 27.
Note: This condition generally indicates a sensor problem. Check the
sensor test spindle to make sure it moves freely. (The sensor discs must
be dry for this test).
• To reset the sensor system, press the Smart Bypass button one time.
19
Figure 26
Figure 27
Figure 25
RainSensorAlpha7 3/10/2005 3:31 PM Page 19
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