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PRO 2 23
TROUBLESHOOTING HINTS FOR PRO 2 TWO WIRE SYSTEMS
TROUBLESHOOTING HINTS FOR PRO 2 TWO WIRE SYSTEMS
TROUBLESHOOTING HINTS FOR PRO 2 TWO WIRE SYSTEMS
PROBLEM SOLUTION
1) Check: 110v or 220v supply and connec-
2) Check: 12 V Power at the controller
Controller Operates in “Manual” or “Test”
Calendar not set correctly
See the Programming section of this
See the Programming section of this
Controller Displaying “Short Line” or Turn-
Controller Displaying “Short Line” or Turn-
ing ON/OFF and “Clicking”
1) More than 4 valves activating
3) Field wires of one controller connected
to field wires of a second controller
1) Possible failed Decoder
1) Possible failed Decoder
1) Controller not activating
1) See “Controller Operates in Manual and
1) See “Controller Operates in Manual and
2) Check the “Out” wire connections at the
2) Check the “Out” wire connections at the
3) Failed Controller Replace Panel
3) Failed Controller Replace Panel
Single Valve not Activating
1) Check Decoder Wire Connection
1) Check Decoder Wire Connection
Multiple Valves not Activating
1) Field wiring or connections
1) Check wiring and connections between
1) Check wiring and connections between
the last valve working and the first valve
the last valve working and the first valve
Controller is in Rain Off condition 1) Rain Switch has activated a bad connec-
Controller is in Rain Off condition 1) Rain Switch has activated a bad connec-
Controller is in Rain Off condition 1) Rain Switch has activated a bad connec-
tion from Controller to Rain Switch
tion from Controller to Rain Switch
Display is flashing “Rain Off”
Power is being supplied to Rain Off con-
Controller displaying reads “Valve Short”
Controller displaying reads “Valve Short”
High current draw during valve run time 1) Possible bad solenoid
High current draw during valve run time 1) Possible bad solenoid
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
Display frozen, does not respond to rotat-
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.
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