User Manual

TROUBLESHOOTING
NOTE:BeforeremovingandreplacingtheConverter/charger,performthefollowingchecks:
a. DisconnecttheACpowerfromthevehicle/device.
b. DisconnectthewiringandBatteryfromtheConverterPositive+outputterminal.
c. ReconnecttheACpowertoenergizetheConverter.
d. Usingavoltmeter,measurethevoltageattheConverter–and+Outputterminals.
>TheConverterisOKifthevoltagereadingisbetween13VDCand14VDC(typically13.6VDC).
>Otherwisecheckthetablebelow:
CONDITION
POSSIBLECAUSE
No12VDCoutput
● 120VACnotconnectedtocoachorthecoachACcircuitbreakerisinthe
offposition.
● Reversedbatteryfusesblown.(Batterywiringconnectionsare
reversed),
● Severeoverloadorshortedload.Removeallloadsandretestperabove
instructions.
● Converter/Chargerinternalfailure.
ConvertercyclesOn&Off
● Fanairflowisinadequateorblocked.(1”minimumfreeairspaceateach
endrequired)
● Converter/Chargerinternalfailure.
ReversedBatteryfusesblown
● Batterywiringconnectionsarereversed.
● Defectivebattery,possiblebadcells.
12VDCoutputistoolow
● AttachedloadexceedsratingoftheConverter/Charger.
● Defectivebattery,possiblebadcells.
● Converter/Chargerinternalfailure.