ESP-ME3 Controller
16
EN
Watering Issues
Problem
Possible Cause
Possible Solution
Display shows a
program is active, but
system isn’t watering.
Water source not supplying water.
Verify there is no disruption to the main water line and
that all other water supply lines are open and functioning
properly.
Wiring is loose or not properly connect-
ed.
Check that field wiring and master valve or pump start
relay wiring is securely connected at the controller and in
the field.
Field wires are corroded or damaged.
Check field wiring for damage and replace if necessary.
Check wiring connections and replace with watertight
splice connectors if needed.
Loss of AC power.
When there is a power loss and a 9 volt battery is in-
stalled, the system does not irrigate but programs show
as remaining active.
NO AC message on
display.
No Power detected.
Check circuit breaker and that unit is plugged into socket
or properly connected to power source.
Controller may be plugged into a GFCI
outlet or an outlet that is wired to a GFCI
outlet.
Check power to the outlet or reset the circuit breaker.
It just rained and
the alarm light is not
illuminated, why?
This is normal operation. The ESP-ME3
does not consider the interruption of
irrigation due to rainfall as an alarm
condition.
This is normal operation.
Flow Alarms
Error
ALARM
LED
Error Message
On Display
Flow Sensor -
High Flow Con-
dition
Solid
HIGH FLOW ALARM STA-
TION "X"
Flow Sensor -
Low Flow Con-
dition
Solid
LOW FLOW ALARM STA-
TION "X"
When a flow sensor is in use the ESP-ME3 monitors for
High Flow of 130% above regular learned flow. This
percent limit can be adjusted in the Rain Bird App
when used with LNK
TM
WiFi Module. If a High Flow con-
dition is detected, a “High Flow Alarm” is shown at the
display and the red alarm LED comes on. To clear the
alarm press the “Hold to Start” right arrow button dur-
ing the alarm message.
Low Flow conditions are also monitored. The limit
for Low Flow is 70% below the learned flow unless
changed in the Rain Bird App. A Low Flow alarm is
shown at the controller display and the red alarm LED
comes on.
To clear the alarm press the “Hold to Start” right arrow
button during the alarm message.
B
NOTE:
Turning the flow sensor feature off and
then back on will cause the controller to learn
new flow levels and ignore previous error condi-
tions.
B
NOTE:
If the flow sensor measures flow when the
controller is not scheduled for watering, a “HIGH
FLOW ZONE” alarm is shown on the display and
the red alarm LED comes on. To clear the alarm
press the “Hold to Start” right arrow button dur-
ing the alarm message.