10.60 10.60 Electrical Electrical systemsystem
AATTLLEETT SSEERRVVIICCEE MMAANNUUAALL TT bbll hh ttii ttii ll ddii tt bb
1100..1155..44 FFuussee
Fuse has tripped.Fuse has tripped.
YYeses
If these are OK, replace the ATC.If these are OK, replace the ATC.
Perhaps the ATC does not put out B- toPerhaps the ATC does not put out B- to
the connector's coil.the connector's coil.
Are the connector's coil and freewheelAre the connector's coil and freewheel
diode intact?diode intact?
šš
NoNo
Change the connector/diode.Change the connector/diode.
YYeses
Change the regulChange the regulator.ator.
Replace the fuse (with correct fuseReplace the fuse (with correct fuse
value) and restart.value) and restart.
The probable cause for a blown fuse isThe probable cause for a blown fuse is
a short circuit in the regulator's powera short circuit in the regulator's power
stage or that the average currentstage or that the average current
exceeds the fuse's rated current.exceeds the fuse's rated current.
Does the fuse blow just after the mainDoes the fuse blow just after the main
contactor has made?contactor has made?
YYeses
Change the drive regulator/pumpChange the drive regulator/pump
regulator.regulator.
Tip: If the drive or pump motor fuseTip: If the drive or pump motor fuse
has blown when starting the error codehas blown when starting the error code
E97 or E98 is given with the subinfo:E97 or E98 is given with the subinfo:
“No charge DC-bus” E128.“No charge DC-bus” E128.
NoNo
Start the truck again.Start the truck again.
Does the fuse blow again after theDoes the fuse blow again after the
truck has been running for some time?truck has been running for some time?
YYeses
Check that the mechanical torque inCheck that the mechanical torque in
the gearbox is not too great due tothe gearbox is not too great due to
worn parts or, e.g. that the pump jams.worn parts or, e.g. that the pump jams.
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