Troubleshooting - Hunter ACC Owner's Manual

The Decoder location will not work until a Decoder has been programmed for Pump operation
(P/M1 or P/M2) in Decoder Programming (Advanced Features dial position).

Troubleshooting

Problem
No Display.
Display reads "Fault" (may be
followed by Sensor number)
Station does not irrigate.
Controller does not irrigate
automatically.
Rain or other Clik sensor
does not shut down system.
Controller does not recognize
output module (station size
shown incorrect).
ACC Owner's Manual Rev E
9/06
Causes
Check AC~ power to controller.
Facepack is not firmly seated and
locked, and/or 9-pin connector is
not fully connected.
Gray ribbon cable is connected
from back of inner panel to
cabinet.
Sensor is activated.
Overflow alarm has occurred
(flow meter equipped controllers
only).
Field wiring or solenoid problem.
Possible programming errors.
Sensor shutdown.
Programmable Off in effect.
Time/Date errors.
Incorrect sensor type or
connection.
Incorrect sensor settings for
Program.
Module seated incorrectly.
Module slot skipped.
Station output module
overloaded.
Solutions
Fix power supply.
Seat facepack in connector.
Connect ribbon cable on back of
facepack door.
Turn dial to Data History, select and
review Alarm Log for individual
alarm events.
Perform Manual One-Station start
and observe display and output
light.
If light is red, check solenoid and
field wiring, including COM
(common) wires.
Verify all programs Days to Water,
Start Times, and Station Run
Times.
Check display for Fault indication (if
yes, press + for status).
Check display for Off days.
Verify controller time and date,
including AM/PM/24 hour settings.
Use one normally-closed Clik-type
sensor per sensor port (SEN1-4).
Verify that one wire from each
sensor is to + and one to -. Do not
connect multiple sensors to a single
port.
Turn dial to Set Sensor Operation
and verify correct response for each
program to the sensor (Pause or
Shutdown).
Verify that modules are seated all
the way up in wiring compartment,
and module lock is On.
Verify that no module slots have
been skipped, from left to right.
Re-seat module, and observe green
station light flashing when module is
recognized.
No station light, or red light:
Swap with known-good module,
check for green light. If new module
works, replace old module (probably
surge overload). If new known-good
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