Hit Products Pro-Two - Manual (Page 25)

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PRO 2 23
TROUBLESHOOTING HINTS FOR PRO 2 TWO WIRE SYSTEMS
PROBLEM SOLUTION
Display Blank No Power 1) Check: 110v or 220v supply and connec-
tions. Correct as needed
2) Check: 12 V Power at the controller
board terminals.
Controller Operates in “Manual” or “Test”
but not in “Auto” Incorrect Programming
Controller is OFF Correct Programming
See the Programming section of this
Manual
Controller Displaying “Short Line” or Turn-
ing ON/OFF and “Clicking” 1) Possible failed Decoder
2) Field wires shorted
No Valves Activating 1) See “Controller Operates in Manual and
Test but not Auto” Line
2) Check the “Out” wire connections at the
Controller.
3) Failed Controller Replace Panel
Single Valve not Activating 1) Check Decoder Wire Connection
2) See Decoder Operation
Multiple Valves not Activating 1) Check wiring and connections between
the last valve working and the first valve
not working.
Display reads “Rain Off” Controller is in Rain Off condition 1) Rain Switch has activated a bad connec-
tion from Controller to Rain Switch
PROBLEMS SOLUTIONS
Display is flashing “Rain Off” Incorrect Rain Switch
Controller displaying reads “Valve Short”
with a valve number High current draw during valve run time 1) Possible bad solenoid High current draw during valve run time 1) Possible bad solenoid
2) Shorted wires between decoder
and solenoid
Display frozen, does not respond to rotat-
ing valve Micro is locked 1) Turn power off for a minute, then back on
Valves Turning ON/OFF during run time Possible EMF interference Valves Turning ON/OFF during run time Possible EMF interference Check: Controller, Decoder and Field Wir-
ing location in respect to any high voltage.