Troubleshooting Guide

PROBLEM CAUSES SOLUTIONS
The controller is continuously watering. Too many start times have been programmed. Only one start time is necessary to activate a program. (refer to Setting Watering Start Times).
There is no display. Check AC power wiring. Correct any errors.

The display reads “No AC”.

 There is no AC power present (the controller is not receiving any power). Check to see if the transformer is properly installed.
Display reads “Off, Umbrella Icon System Off Icon”. The rain sensor is interrupting irrigation or the sensor jumper has been removed. Slide the rain sensor bypass switch to the BYPASS position to bypass the rain sensor circuit, or reinstall the jumper.
Rain sensor will not shut off the system. Defective rain sensor. Verify operation of rain sensor and proper wiring.
Jumper was not removed when sensor was installed. Remove jumper from the sensor terminals.
Stations have been programmed to override the sensor. Reprogram the sensor override to enable the sensor.
Frozen display, or showing incorrect information. Power surge. Reset the controller “Clearing Controller Memory/Resetting the Controller”.
Display shows “ERR” with a number (1-8). Short in valve wiring circuit, or faulty solenoid on the station number indicated. Check wire circuit or solenoid for the valve number indicated. Repair short or replace solenoid. Press any button to clear the “ERR” from the display.
Display shows “P ERR”. Faulty pump relay or master valve wiring. Check wiring to relay or master valve solenoid. Press any button to clear the “P ERR” from the display.
Incompatible or defective relay or solenoid. Check electrical specification for the pump relay. Do not exceed controller's electrical rating. Replace if defective.
Under sized wire to the pump relay or master valve. Replace wire with larger gauge wire.
Display shows a station is running but the Umbrella Icon and Automatic Watering Icon icons are flashing. The sensor is interrupting irrigation, however the station has been programmed to override the sensor. Check the sensor override status.
Automatic irrigation does not start at the start time and controller is not in the System Off mode. AM/PM of time of day not set correctly. Correct AM/PM of time of day.
AM/PM of start time not set correctly. Correct AM/PM of start time.
Start Time is disabled (set for Off). See Setting Start Times.
Controller is not receiving AC power. Check AC power connections.