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10.80
Electrical
Electrical system
system
Important!
Important!
If the S44 switch is
If the S44 switch is closed, PC is shown in the display for hydraulic inputs. If
closed, PC is shown in the display for hydraulic inputs. If
S45 is closed, PCC is displayed instead.
S45 is closed, PCC is displayed instead.
10.15.14
10.15.14Low temp drive/Low temp hyd
Low temp drive/Low temp hydraul
raul
Drive the truck
Drive the truck at a reduced speed and reduced load until
at a reduced speed and reduced load until the regulator has warmed
the regulator has warmed
up to approx. 20 degrees
up to approx. 20 degrees for full operating c
for full operating capacity
apacity..
Or
Or
Drive the truck in a
Drive the truck in a heated building until the regulator has reached the temperature
heated building until the regulator has reached the temperature
for full
for full operating capacity
operating capacity..
10.15.15
10.15.15High/Lo
High/Low voltage - EPS 2001
w voltage - EPS 2001
Check that the voltage is within
Check that the voltage is within
the range 33.6
the range 33.6 - 62.4
- 62.4 V DC under
V DC under
operation.
operation.
Do errors occur when the main
Do errors occur when the main
contactor K10 is open?
contactor K10 is open?
Y
Yes
es
Check that the components in the
Check that the components in the
EPS charging circuit are intact.
EPS charging circuit are intact.
Fuse F12 and resistor R300. See
Fuse F12 and resistor R300. See
relevant trouble shooting chart for
relevant trouble shooting chart for
more information on error codes.
more information on error codes.
No
No
Look for voltage drop in the path
Look for voltage drop in the path
of the current from the battery to
of the current from the battery to
the EPS unit, and from the EPS
the EPS unit, and from the EPS
back to B-. Check the fuse holder
back to B-. Check the fuse holder
and fuses F18 and F19, as well as
and fuses F18 and F19, as well as
B- and F2.B+. Check B+ extra
B- and F2.B+. Check B+ extra
carefully.
carefully.
Replace EPS.
Replace EPS.
Check that high resistance or a bad
Check that high resistance or a bad
connection are not present in the
connection are not present in the
battery cable to the B+ and B-
battery cable to the B+ and B-
regulators.
regulators.
A regenerative drive regulator
A regenerative drive regulator
could raise the voltage in the
could raise the voltage in the
supply cables and the resistance is
supply cables and the resistance is
too great.
too great.
Replace EPS unit.
Replace EPS unit.
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