ESP-LX Modular Controller 79
TROUBLESHOOTING CHART
SYMPTOM POSSIBLE CAUSE CORRECTION
Program does not come on
automatically.
1. Dial is set to OFF position. Set the dial to AUTO.
2. Start time has not been entered for the program. Use “Confirm Programs” (see page 54) to check the
start times entered for the program. If the start time is
missing, enter it as described on page18.
3. Rain Delay feature is preventing watering. (Display
shows “RAIN DELAY” and “DAYS REMAINING.”)
If the Rain Delay feature has been set properly, no
correction is needed. To cancel the Rain Delay, see
page 30.
4. Today may not be a watering day for the program. Use “Confirm Programs” (see page 54) to check the
watering cycle for the program. To set the watering
cycle, see page 19.
5. Day Off feature is preventing watering. (Display
shows “NON,” followed by the time of day.)
If the Day Off feature has been set properly, no
correction is needed. To run a program manually (even
on a Day Off), see page 52. To change the Day Off
feature, see page 31.
6. Program’s Seasonal Adjust is set to 0%. Set the Seasonal Adjust above 0%. See page 25.
Display shows a valve
operating, but no watering
occurs.
7. Sensor is preventing irrigation. Turn the sensor bypass switch to BYPASSED. If
watering resumes, the sensor is operating properly, and
no correction is necessary.
8. No sensor or jumper is connected to the
controller’s SENSOR terminals, and the SENSOR
BYPASS switch has been set to ACTIVE.
Turn the sensor bypass switch to BYPASSED. To
prevent future occurrences, install the supplied jumper
on the controller’s SENSOR terminals.
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