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Waters with controller
dial in OFF position
ET System must also be Off.
Set ENABLE ET to NO (ET Setup position).
Dry or dead spots in
grass
Variation in sprinklers, spacing.
Check sprinkler layout
Check plant type, soil type, and slope settings
Increase ET Adjust % gradually (by 5-10%) and monitor over the
course of several weeks for improvement.
No water.
Dial not in Automatic position.
ET System disconnected from controller.
ET System disabled.
No water days.
No start time.
Sensor Pause (shutdown due to conditions).
Interval Days set too high for conditions.
Dial must be in Automatic.
Verify SmartPort connection to controller (red, white, blue wires).
Set ENABLE ET to YES (ET Setup dial position).
Set water day to Y (Yes) (Water Days dial position)
Set start time (Daily Start Time dial position)
Check ET Module display for “RAIN”, “FREEZE”, or “WIND” PAUSE
message… system will resume when conditions permit.
Set shorter interval.
Too much/too little water.
Incorrect station settings.
Malfunctioning sensors.
ET SOURCE set to Manual.
Landscape characteristics.
Verify station settings at all dial positions, including Plant Type, Site
Info, and Sprinkler Type.
Perform maintenance on sensors: clean out rain gauge, clean off solar
radiation sensor, clear debris from “beehive” housing.
Set ET SOURCE to SENSOR (ET Setup position).
Use ET Adjust (ET Setup position) to control the percentage of ET used
to calculate watering.
ET or sensor readings
do not match with local
weather sources.
Microclimate, sensor variations.
ET, temperatures, humidity, solar, wind and rain values can vary widely
even over relatively short distances
Sensor Fault
Sensor miswired or missing.
Check ET Sensor wiring connections, and physical status of sensors.
Voltage at sensor (green and black wires) should be 9-15VDC
Warning: Do not paint or apply any decorations or covers to sensor platform. This could negatively affect the readings.
NOTE: This product is intended for turf and landscaping applications only, not intended for agricultural or scientific use.
Содержание ET System
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