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12.
Maintenance, Troubleshooting and Repairs
Symptom: The valve fails to open automatically or manually.
Possible cause -
Too low water pressure
Solution -
Open the main valve of the water supply line
Symptom: The valve operates manually but not automatically
Possible cause -
The controller is in OFF mode
Solution -
make sure that the word OFF is not displayed instead
of the current Time and Date
Possible cause -
The AM/PM setting is not set correctly
Solution
- check the start time and if needed change the AM/PM setting
Possible cause -
The
rain sensor is suspending the irrigation
Solution -
set the rain sensor to OFF mode
Possible cause -
The
yellow wire is cut
Solution -
reconnect the yellow wire with water proof connectors.
Possible cause -
The rain sensor is connected and suspends the irrigation
Solution -
check the rain sensor and its connections.
Make sure it is of NC (Normally closed) type.
Symptom: The screen is blank
Possible cause -
No key was pressed during the last 15 minutes
Solution
- Press any key on the keypad.
Symptom: The rain sensor dose not suspend the irrigation
Possible cause -
The
sensor id of NO (Normally Open) type, the sensor is faulty
or incorrectly wired.
Solution -
Make sure that the Rain Icon appears on screen when the
sensor is manually set to rain detection mode.
Check the sensor connections.
Symptom: The controller irrigates more that once a day
Possible cause -
The controller is programmed for more than one start time per day
Solution -
Set the 2, 3, 4 and 5 start times› settings to OFF.
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