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10.60
10.60
Electrical
Electrical system
system
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10
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15
5..4
4 F
Fu
us
se
e
Fuse has tripped.
Fuse has tripped.
Y
Yes
es
If these are OK, replace the ATC.
If these are OK, replace the ATC.
Perhaps the ATC does not put out B- to
Perhaps the ATC does not put out B- to
the connector's coil.
the connector's coil.
Are the connector's coil and freewheel
Are the connector's coil and freewheel
diode intact?
diode intact?
šš
No
No
Change the connector/diode.
Change the connector/diode.
Y
Yes
es
Change the regul
Change the regulator.
ator.
Replace the fuse (with correct fuse
Replace the fuse (with correct fuse
value) and restart.
value) and restart.
The probable cause for a blown fuse is
The probable cause for a blown fuse is
a short circuit in the regulator's power
a short circuit in the regulator's power
stage or that the average current
stage or that the average current
exceeds the fuse's rated current.
exceeds the fuse's rated current.
Does the fuse blow just after the main
Does the fuse blow just after the main
contactor has made?
contactor has made?
Y
Yes
es
Change the drive regulator/pump
Change the drive regulator/pump
regulator.
regulator.
Tip: If the drive or pump motor fuse
Tip: If the drive or pump motor fuse
has blown when starting the error code
has 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.
No
No
Start the truck again.
Start the truck again.
Does the fuse blow again after the
Does the fuse blow again after the
truck has been running for some time?
truck has been running for some time?
Y
Yes
es
Check that the mechanical torque in
Check that the mechanical torque in
the gearbox is not too great due to
the 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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