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10.90
10.90
Electrical
Electrical system
system
Subinfo: Motor temp sens lost. w32, Motor temp sens shorted. w64.
Subinfo: Motor temp sens lost. w32, Motor temp sens shorted. w64.
10.
10.16.5
16.5 E10
E102, E10
2, E103, E10
3, E107 Serv
7 Servo stop
o stopped
ped/Se
/Servo ab
rvo abnor
normal
mal
-EPS 2001
-EPS 2001
E102, E107 Subinfo: Internal Ove
E102, E107 Subinfo: Internal Overcurrent
rcurrent
Replace the
Replace the A
ATC.
TC.
Check that the sensor is OK and not
Check that the sensor is OK and not
short circuited. Check the cable
short circuited. Check the cable
connection between the motor
connection between the motor
temperature sensor and the regulator.
temperature sensor and the regulator.
The sensor is measured in the 8 way
The sensor is measured in the 8 way
connector on the motor after the truck
connector on the motor after the truck
side cables have been disconnected. If
side cables have been disconnected. If
the sensor is OK you should receive a
the sensor is OK you should receive a
va
valu
lue of
e of ab
abou
out 5
t 500
00 at
at ro
room
om
temperature, which is measured across
temperature, which is measured across
pins 7 and 8 on the c
pins 7 and 8 on the connector. If the
onnector. If the
temperature is higher the resistance
temperature is higher the resistance
will increase.
will increase.
If the sensor is defective, change the
If the sensor is defective, change the
motor.
motor.
If there is a cable fault (see the
If there is a cable fault (see the
explanation to the right), rectify or
explanation to the right), rectify or
change the cable.
change the cable.
In order to check the cable
In order to check the cable
connections, loosen the 8 way
connections, loosen the 8 way
contactor on the motor and the 13 way
contactor on the motor and the 13 way
contactor on the related regulator.
contactor on the related regulator.
Measure across pins 7 and 8 on the 8
Measure across pins 7 and 8 on the 8
way contactor, the resistance should be
way contactor, the resistance should be
infinite. Measure that the cables are
infinite. Measure that the cables are
intact between pin 7 on the motor
intact between pin 7 on the motor
contactor and regulator contactor, and
contactor and regulator contactor, and
pin 8 on the motor contactor and pin 4
pin 8 on the motor contactor and pin 4
on the regulator contactor, the
on the regulator contactor, the
res
resist
istan
ance sh
ce shou
ould b
ld be wel
e well un
l unde
der 0.
r 0.5
5
..
C
Ch
haan
ng
ge
e tth
he
e rreeg
gu
ullaatto
orr..
T
Th
he
e rreeg
gu
ullaatto
orr''s
s tteem
mp
peerraattu
urree
measurement can be malfunctioning.
measurement can be malfunctioning.
R
Reep
pllaacce
e E
EP
PS
S u
un
niitt
T
Th
hiis
s eerrrro
or
r aarriissees
s w
wh
heen
n tth
he
e llo
oaad
d
impedance which the EPS unit's
impedance which the EPS unit's
power stage measures, is too low
power stage measures, is too low
for the EPS 2001 to be able to
for the EPS 2001 to be able to
correctly regulate the motor
correctly regulate the motor
current.
current.
Ω
Ω
Ω
Ω
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