TUFFA TANKS 30000VBFS - Page 26

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8.4 Troubleshooting
Symptom PossibleCauses Solutions
TheMCBOXdoesnot
switchon
1.Powersupplyhasfaileddueto:
•Thepowerleadsbeingconnected
incorrectly
•Theupstreamcircuitswitchbeinginthe
OFF position
•Thepowersupplyfusebeing
interrupted
•ForDCversions:vehiclekeyinthe
OFFposition(ifthe“ignitionon”power
supplyoptionhasbeenadopted)
1.•Checkconnections
•Ensuredisconnectswitchisin
theONposition
•Checkfuse
•TurnthevehiclekeytotheON
position
TheMCBOXturnsonand
thedisplayslightupbut
nowordsappear.
TheMCBOXturnsonand
thedisplayslightupbut
thewordsthatappearare
irregularandthesystem
doesnotrespondtoany
commands
1.AUTO/MANjumperintheMAN
position
1.PutthejumpertotheAUTO
position
Thesystemdoesnot
recognisethe“USER”with
PINCODEorElectronic
key
1.Theuserhasnotyetbeencongured
bythesystemMANAGER
1.ThesystemMANAGERsets
upaNewUser
2.Thekeyhasnotbeenlinkedtothe
UserbythesystemMANAGER
2.ThesystemMANAGERlinks
thekeytotheUser
3.Thekeyboardisdamagedanddoes
notinsertthedataproperly
3.Changekeyboard(contact
technicalsupport)
4.Theelectronickeyisdamagedandis
nolongerrecognisedbythesystem
4.Changeelectronickey(contact
technicalsupport)
TheMOTORwillNOT
START
1.Ithasnotbeenconnectedproperlyto
thesetterminals
1.Checkconnections
2.Actionnotpermittedbynozzlecontact 2.Checkhowthenozzlecontact
optionhasbeenset(YES/NO)
andthestatusoftherelevant
jumper
8. MAINTENANCE OF THE TUFFA TANKS 8. MAINTENANCE OF THE TUFFA TANKS
8.4 Troubleshooting
Symptom PossibleCauses Solutions
DOESNOTCOUNTwhen
dispensing
1.ThePulserthatemitsthecount
signalshasnotbeenconnectedproperly
1.Checkconnections
2.ThePulserthatemitsthecount
signalsisNOTcompatiblewiththe
electronics
2.Anincomingelectronicsignal,
namely“cleancontact”or
“OpenCollector”,shouldbe
received.Iftheinputsignalisan
incompatiblevoltagesignal,the
electronicboardislikelytobe
damaged,inadditiontothe
malfunction.
Thecountis
INACCURATE
1.ThesystemisNOTcalibrated 1.Calibratethesystemaccording
totheprocedure
Thecountremains
INACCURATEeven
aftercalibration,orit
isaccuratebutonly
forlowowrates
1.ThesignalsentbythePulseris
outsidetheacceptableelectronicranges
1.Themaximumpulsation
frequencymustbe70Hzand
between20%and80%duty
cycle.Thesystemdoesnot
processreceiveddatacorrectly
outsidetheacceptableelectronic
ranges.
Thesystemmustadaptedtot
withinthecorrectranges,possibly
byinterposingotherelectronic
interfacedevices(pleasecontact
TechnicalSupportforoptions)
It DOES NOT
COMMUNICATEwith
thePC
1.TheRS485connectionisnotcorrect 1.Checktheconnections
2.ThedriveronthePCisnotinstalled
properlyortheversionisnotcompatible
withthePC’s
OperatingSystem
2.Checktheversionsofthe
driversandtheOperating
System.ContactTechnical
Assistance
3.TheRS232orUSBconverteris
damaged
3.Trywithadi󰀨erentconverter:if
theproblemdisappears,replace
theconverter
4.ThePC’sUSBorRS232portis
damaged
4.Tryadi󰀨erentportortryitona
di󰀨erentPCtochecktherestof
thedevice:ifitworksonanother
PC,thentheproblemiswiththe
PC