9
XIII. ERASE ALL PROGRAMMING
With the dial at Auto, open and remove the lower cover. With a metal object, momentarily connect
two contacts at the back of the RESET Tunnel. When the display goes blank, remove the metal ob-
ject. You can now reprogram the controller.
1.
4.
XIV. BACK-UP MEMORY (NO BATTERIES REQUIRED)
During a power outage
1.
The display is blank
2.
Time/Date/all Programs retained for 24-30
hrs.
3.
Default Program if memory is lost and power re-
turns:
Date: 01/01/96
Time: 12:00 AM
Start Time: 8:00 AM
All Stations: On Program A
Day Schedule: 7-day, water everyday
Station Timing: 10 minute each
The default program disappears as you start to re-
program.
XV. TROUBLESHOOTING
DIAGNOSTIC CIRCUIT BREAKER
(No fuse required)
If the controller detects an electrical short circuit on one of the sprinkler system's station wires or valve
solenoids, the controller automatically shuts off the station with the fault. After 30 - 40 seconds, while the E-
Class unit is checking again to confirm the fault, the controller advances to the next station in the program.
Every 3 seconds, the controller will display the problem station's number with the letters "Err". The E-Class
controller will continue to run each operable station in the program. As each station is running, the controller
(at an alternate 3-second interval) will display the station's number and time-to-go.
When the controller finishes the program, it will continue to display the problem station's number and "Err".
At this point, you should isolate and repair the short circuit. Short circuits are most often found to be in the
valve solenoid (the plastic-encapsulated coil on the valve with the two wire leads) or in the wire connectors to
the valve leads. After you have found and repaired the short, turn the dial to AUTO and press
ENTER
ENTER
to
clear the "Err" message from the display. You can then operate the station manually to see if it works properly.
2.
3.
