Options; Reset Button; Accessories; Troubleshooting - Rain Bird ESP-TM2 User Manual

Options

EN

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.

Troubleshooting

Watering Issues

Problem
Watering icon
on the display
is flashing, but
the system is not
watering
Automatic and/or
Manual Watering
will not start
Excessive watering

Electrical Issues

Problem
Display is blank.
Display is frozen
and controller will
not accept program-
ming.
11
ESP-TM2 Controller
Possible Cause
Water supply issue.
Wiring is loose, not properly connected
or damaged.
Connected rain sensor may be activated.
Jumper wire connecting the two SENS
terminals may be missing or damaged.
Solenoid or master valve is shorted.
Programs may have multiple start times
that were set unintentionally
Possible Cause
Power not reaching the Verify the main AC power supply is securely plugged in or connected and working properly.
controller.
Verify the orange power supply wires are connected to the controller "24 VAC" terminals.
An electrical surge may have Unplug the controller for 2 minutes, then plug it back in. If there is no permanent damage,
interfered with the control- the controller should accept programming and resume normal operation.
ler's electronics.
Press and release the RESET button.

Accessories

A 5 pin accessory port is available for Rain Bird
approved external devices, including:
A
LNK
TM
B
LIMR Receiver Quick Connect harness
Possible Solution
Verify there is no disruption to the main water line and that all other water supply
lines are open and functioning.
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.
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 the two SENS terminals on the controller terminal block by connecting
them with a short length of 14 to 18 gauge wire.
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
Programs (A, B or C) only require a single start time in order to run. Separate start
times are not required for each valve.
Possible Solution
WiFi Module
button.