TDP072d+e.doc Rev.07.07.2015 Seite‐Page58/64
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7.Troubleshooting
Problem Cause Remedy
Thedisplayshowsirrigationin
progress,butthevalvedoesnot
open.
1.Novoltageonthevalve
coil.
‐Checkcabling.
‐Measurecoilvoltage.
2.Faultyvalvecoil. Replacecoil.
3.Nowaterpressure. Checkpumpandpumprelay.
4.Novoltageatthevalve
output.
Replaceoutputmodule.
Irrigationisswitchedoff,butthe
valveisopen.TheLEDofthe
activestationisoff.
1.Voltageonthecoil.
Faultyexpansionmodule.
Replaceoutputmodule.
2.Novoltageonthecoil.
Valvemechanicallydamaged.
Checkvalve.
Displayedtimeanddayisnot
correct.
Long‐termpoweroutage. Settimeandday.
Screendisplays(check)
Short‐circuitedoroverloaded
output.
Removetheshortcircuit.Unplug
controllerfromthemainstoresetit.
Automaticirrigationdoesnot
start.
1.Controllerisnotsetto
AUTOmode
TurndialtoAUTO
2.Incorrectstarttime. Setacorrectstarttime.
3.Noparticulardayhasbeen
setinthisprogram.
Setwateringdays.
Thedisplayisblank.
1.Unitisdisconnectedfrom
themains,powercut.
Checkthemainsparameters:
230V/50Hz.
2.Fuseblown.
Replacefuse.
Forthetypeseetheprintedcircuit
board(T200mA250V).
3.Defectivemotherboard. Replacethecontroller.
Nosignalisdetectedfromthe
sensor
Sensornotconnected
correctly
Checkwiring(seewiringscheme
page7)
Stationorsensornot
activated
Activatestation
Distancebetweensensorand
switchingcamistoobig
Checkdistance.Tryholdingametal
pieceinfrontofthesensortocheckif
signalisdetected
TheyellowLEDatthesensoralso
showsthissignal
VP3SCsprinklerdoesnotgointo
parkingposition
Stationnotcalibrated Calibratestationonceagain
Stationsettinghasbeen
changedmanually
Calibratestationonceagain
VP3SCdoesnotpopdownat
sectorstop
Afterruntimenotwell
adjusted
Optimizeafterruntime
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