Troubleshooting Guide - Hunter EC Bedienungs- Und Montageanleitung

TROUBLESHOOTING GUIDE

PROBLEM
Display indicates watering but none is
occurring.
Display is blank.
Display is blank with AC power to terminal and
with a new battery.
Time of day display is blinking.
Valve will not turn on.
Display shows "ERR" with a number (1-6).
Display shows "P ERR".
The display reads "No AC".
Rain Sensor does not suspend irrigation.
Frozen Display, or display showing incorrect
information.
11
CAUSES
Faulty or miswired valve.
Faulty pump or pump relay.
No water pressure to system.
No AC power reaching controller.
Controller may be damaged by power surge.
Unit has just been powered up for the first time.
Extended power outage has occurred that has drained
backup battery.
Short in wire connections.
Bad solenoid
Short in valve wiring circuit; or a faulty solenoid on the
station number indicated.
Faulty pump relay or master valve wiring.
Incompatible or defective pump relay.
There is no AC power present.
Rain sensor is defective or miswired.
Jumper not removed.
Power surge.
SOLUTIONS
Check valve and valve wiring.
Check pump and pump relay. Replace if defective.
Turn on main system water supply.
Verify AC power and wiring. Correct any errors.
Call your dealer or Hunter installer.
Set time/date.
Replace battery and reprogram controller.
Check wiring for short or faulty wire connections.
Replace solenoid.
Check wire circuit or solenoid for the valve number
indicated. Repair short or replace solenoid. Press any
button to clear "ERR" display.
Check wiring to relay or master valve solenoid. Press
any button to clear "P ERR" from the display.
Check eletrical specifications of pump relay. Replace
if defective.
Check to make sure power is on. Check to see if
transformer is properly installed.
Verify operation of sensor and proper wiring.
Remove jumper.
Reset controller per page 10 "Clearing Controllers
Memory/Resetting the Controller".