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TROUBLESHOOTING/SERVICE
SYMPTOM
POSSIBLE CAUSE
SOLUTION
No output to zone, pump, master
• AC disconnected
• check AC source, if AC is not detected
valve or no AC indicator
lit
by the controller, the no AC indicator
will be lit
no AC and blank display
• no battery or dead battery
• replace battery and press reset
LCD is blank
• no AC and no battery
• install battery to regain use of display,
check AC to ensure output to field
• ribbon cable is disconnected
• ensure ribbon cable between the front
panel and controller board is
connected at both ends
“M-X” appears on the LCD when
• MODE dial is in program position
• position the MODE dial in the AUTO
trying to run a zone manually
position to run a zone manually
“C-X” appears on the LCD when
• MODE dial is in program position
• position the MODE dial in the AUTO
trying to CYCLE a program
position to cycle a program
“S-X” appears on the LCD when
• MODE dial is in program position
• position the MODE dial at the AUTO
trying to run a 3 MINUTE TEST
position to run the 3 Minute Test
procedure
The controller won’t run a
• No programs on A, B, or C
• enter a program with run times for the
3 MINUTE TEST
zones you need. The 3 MINUTE TEST
only runs those zones with programmed
run times on them
P with a zone number appears
• Wires not connected or short in
• Check field wiring, check solenoid,
on LCD
wires or solenoid
replace solenoid
• More than 2 solenoids connected to a zone
ALL 24HR flashing on LCD
• Greater than 24 hours of run time
• Check zone run times and WATER
programmed
BUDGET percentage
Controller is not watering and RAIN
• RAIN DELAY is programmed into EZ PRO • Turn large dial to RAIN DELAY position
DELAY arrow appears on LCD
and Mode dial to Program, check
number of days on LCD.
Adjust as desired
RADIO CONNECT symbol appears
• Controller is radio connected to an EZ
• Turning any dial will disconnect
on LCD
Command Programmer
Rain Sensor symbol on
• Rain sensor is activated or if no rain
• Check to see if jumper is installed if
sensor installed, the jumper is missing
there is no rain sensor
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