EN
ESP-TM2 Controller
11
Options
Reset Button
If the controller is not working properly, you can try
pressing RESET.
A
Insert a small tool such as a paper clip, into the
access hole and press until the controller is reset.
All previously programmed watering schedules
will remain stored in memory.
Accessories
A 5 pin accessory port is available for Rain Bird
approved external devices, including:
A
LNK
TM
WiFi Module
B
LIMR Receiver Quick Connect harness
Troubleshooting
Watering Issues
Problem Possible Cause Possible Solution
Watering icon
on the display
is flashing, but
the system is not
watering
Water supply issue. Verify there is no disruption to the main water line and that all other water supply
lines are open and functioning.
Wiring is loose, not properly connected
or damaged.
Check that wiring is securely connected at the controller and in the field. Check
for damage and replace if necessary. Check wiring connections and replace with
watertight splice connectors if needed.
Automatic and/or
Manual Watering
will not start
Connected rain sensor may be activated. Let the rain sensor dry out or else disconnect it from the controller terminal block
and replace it with a jumper wire connecting the two SENS terminals.
Jumper wire connecting the two SENS
terminals may be missing or damaged.
Jumper the two SENS terminals on the controller terminal block by connecting
them with a short length of 14 to 18 gauge wire.
Solenoid or master valve is shorted. Confirm short message on the display. Correct the issue in the wiring. Clear the
message by testing watering at the shorted valve or by pressing the
button.
Excessive watering Programs may have multiple start times
that were set unintentionally
Programs (A, B or C) only require a single start time in order to run. Separate start
times are not required for each valve.
Electrical Issues
Problem Possible Cause Possible Solution
Display is blank. Power not reaching the
controller.
Verify the main AC power supply is securely plugged in or connected and working properly.
Verify the orange power supply wires are connected to the controller “24 VAC” terminals.
Display is frozen
and controller will
not accept program-
ming.
An electrical surge may have
interfered with the control-
ler’s electronics.
Unplug the controller for 2 minutes, then plug it back in. If there is no permanent damage,
the controller should accept programming and resume normal operation.
Press and release the RESET button.
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