ESP-LX Modular Controller 81
SYMPTOM POSSIBLE CAUSE CORRECTION
Display is partially or
completely blank.
18. An electrical surge or lightning strike has damaged
the controller’s electronics.
Reset the controller as described on page 65.
Turn off the controller and disconnect the 9-Volt
battery. Let the controller rest for two or three
minutes. Then reconnect the battery and restore
power to the controller. If the electrical surge did no
permanent damage, the controller will accept
programming commands and function normally.
19. No power is being supplied to the controller, or the
battery is low.
Verify that the controller is plugged into a working outlet.
Check the main power supply to the controller. Replace
the battery if you intend to program the controller using
battery power.
Watering starts when it
should not.
20. A program has been started manually. To cancel a program that has been manually started, set
the dial to OFF for three seconds. Then set the dial back
to AUTO.
21. An unwanted watering start time may have been
entered.
Use “Confirm Programs” (see page 54) to see if any
programs have an unwanted start time. See page 18 for
instructions on setting and eliminating start times.
22. The programs may be stacked. Programs A, B, and C will stack behind each other if
they are scheduled to start while another program (other
than D) is running. Use “Confirm Programs” (see page
54) to make sure Programs A, B, and C are not
scheduled to start when any program other than D is
scheduled.
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