Toro Sentinel User Manual

47
Troubleshooting Guide
Problem Possible Cause Solution
No display. AC power not reaching controller.
Blown fuse.
14-pin ribbon-cable connector is not fully
connected.
Check and x AC power supply to controller.
Check fuses. Determine why blown and replace if necessary.
Check ribbon cable connections on bottom of unit.
Controller does not irrigate as
scheduled.
Programming error.
Time and date error.
Sensor is shutting down system.
Station Alarms set.
Verify programming information with Central or In Display.
Very time and date.
Remove sensor, clear, and retest.
Look for alarms. Correct issue if set, and clear alarms.
Water does not turn ON. Programming error.
Faulty valve wire connections.
Bad / defective solenoid or valve.
Flow control or water shut off.
Verify programming information with Central or In Display.
Look for alarms. Correct issue if set, and clear alarms.
Test for 24 VAC from Station Post to Common or Ground with
Manual switch on.
Check ow control valve and water supply line.
Water does not turn OFF. Programming error--too many start times.
Bad / defective solenoid.
Valve blockage.
Verify programming information with Central or In Display.
Test for 24 VAC from Station Post to Common or Ground with
Controller running and/or Manual switch on.
Check for cross connections between stations.
Shut off power at controller. If station stays on, isolate and troubleshoot
valve.
Rain sensor does not shut down
system.
Programming error.
Faulty sensor or faulty sensor connection.
Verify programming information with Central or In Display.
Verify and reset.

Toro Sentinel Specifications

General

Type	Modular
Mounting	Wall
Enclosure	NEMA 3R
Communication	Ethernet
Water Management	Master Valve
Compatibility	Toro
Stations	Up to 48
Power Supply	Included