USAutomatic SENTRY 300 S - Photo-eye or other safety accessory will not reverse the gate when closing or hold the gate open; Transmitter operating range seems short; Gate 1 or 2 opens and closes, but stop positions have changed; Gate 1 or Gate 2 only operates in one direction

40
10. Photo-eye or other
safety accessory will
not reverse the gate
when closing or hold
the gate open
1. Therstthingtocheckistheaccessorywiring.See
accessorywiringinformationonpage21.
2. AccessorybeingusedshouldbewiredwiththeN/Owire
connectedtoJ2pin5ontheSentrycontrolboard.
3. Verifythecontrolswitch“OperatingDirectionReverse”switch
issetinthecorrectposition,PulltoOpenswitchisOFF.
4. ConnectawiretoJ2.5thenstartthegateclosingandthen
touchthefreeendofthiswiretoJ2.2.Gateshouldstopand
reverse.Ifgatereversesthenthecontrolboardisworking
correctlyandtheaccessoryistheproblem.
5. Ifgatedoesnotstopandreverse,thecontrolboardisthe
problem.
11. Transmitter operating
range seems short
1. Replacethebatteriesinthetransmitter.
2. Verifythatthereceiverantenna(shortwireconnectedto
thereceiver)isnottwistedorrolledup.Itshouldbepointing
towardthecontrolboxcover.
3. Sometypeofradiofrequencyinterferenceisobstructing
signalfromtransmittertoreceiver.Possiblecausesare
electricfence,highvoltageelectriclinesingroundor
overhead.Radiotowersinthearea,militarybasesetc..In
somecasesthismightnotbeavoidedorpossiblyadifferent
frequencyreceiverneedstobeinstalled.
12. Gate 1 or 2 opens
and closes, but stop
positions have changed
1. Readjustretractorextendlimits
2. Verifygateopenorclosespeedisapproximately16seconds
3. Ifmuchslowerthan16seconds,seeproblem4.
13. Gate 1 or Gate 2
only operates in one
direction
1. Verifythatthecablefromlinearactuatortocontrolboardhas
notbeendamaged.
2. Ifcablehassplices,verifythatconnectionsaregoodandthat
anyexposedwiresaredry.
3. VerifythattheproblemexistsinboththeGate1andgate
2connectorsonthecontrolboard.makesuredipswitchfor
Gate1orgate2isONwhentesting.
4. Ifproblempersists,callSentryCustomerService.
1-866-711-0001.