Basic Controllers and Sensors troubleshooting
Aditional Sensor Troubleshooting and manuals: hunterindustries
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Problem |
Cause |
Solution |
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Display indicates irrigation but valve is off |
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Faulty or miss-wired valve
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Faulty pump or pump relay if used
|
-
Check valve and valve wiring (and valve common).
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Check pumps and pump relay. Replace if defective.
|
|
Display is blank |
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No AC power and no backup battery installed (or dead battery)
|
-
Verify AC power and wiring.
|
|
Time of day is blinking |
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Unit is initially powered up
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Extended power outage has occurred and built-in backup period has expired
|
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Press any button
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Reprogram controller
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|
Display reads "SENSOR RAIN OFF" |
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If you are not using a rain sensor: The jumper between the sensor terminal is missing or loose
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If you are using a rain sensor: the sensor has been activated by moisture or is stuck
|
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Reconnect the jumper between the rain sensor terminals of the terminal block
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Verify operation of rain sensor. Replace if defective (reinstall jumper until new rain sensor is installed)
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