User's Manual

N72GNSSReferenceReceiverUserGuidePage59
B. TROUBLESHOOTING 
Usethisappendixtoidentifyandsolvecommonproblemsthatmayoccur
duringtheuseofthereceiver.
PleasereadthissectionbeforeyoucontactCHCTechnicalSupport.
B.I. RECEIVERISSUES
Thissectiondescribessomepossiblereceiverissues,possiblecauses,and
howtosolvethem.
Issue Possiblecause Solution
Thereceiverdoes
notturnon.
Externalpoweristoo
low.
Checkthechargeontheexternalbatteryand,ifapplicable,
checkthefuse.
 Internalpoweristoo
low.
Checkthechargeontheinternalbattery.
 Externalpowerisnot
properlyconnected.
CheckthattheLemoconnectorisseatedcorrectly
andthat
thecableissecuredtothereceiver.
Checkforbrokenorbentpinsintheconnector.
 Faultypowercable. Checkthatyouareusingthecorrectcableforthe
connectionbetweenLemoportandexternalpowersupply.
Checkthatthecorrectexternalpowersupplyisconnected
toa
particularLemoport.
Checkpinoutswithamultimetertoensureinternalwiring
isintact.
Receiverdoesnot
logdata.
Thereceiveristracking
fewerthanfour
satellites.
Waituntilthereceiverdisplayshowsthatmorethanfour
satellitesarebeingtr acked.
Thereceiverisnot
responding.
Receiverneedsasoft
reset.
Turnoffthereceiverandthenturnitbackonagain.
Thereference
stationreceiveris
notbroadcasting.
Portsettingsbetween
referencereceiverand
radioareincorrect.
ChecktheportsettingsforthereceiverbyusingtheWeb
interface.Checkthattheradioportsarecorrectlysetup.
 Faulty
cablebetween
receiverandradio.
Tryadifferentcable.
Examinetheportsformissingpins.
Useamultimetertocheckpinouts.

Nopowertoradio.
Iftheradiohasitsownpowersupply,checkthechargeand
connections.
Thereceiverisnot
receivingsatellite
signals
TheGNSSantennacable
isloose.

MakesurethattheGNSSantennacableistightlyseatedin
theantennaconnectorontheGNSSantenna.
 Thecableisdamaged. Checkthecableforanysignsofdamage.Adamagedcable
caninhibitsignaldetectionfromtheantennaatthe
receiver.