1-62
1-62
CHAPTER 1 CONTROLLER
CHAPTER 1 CONTROLLER
8
8..
B
Ba
assiic
c C
Ch
he
ecck
k
8
8..1
1
T
Te
essttiin
ng
g T
To
oo
ollss
8.
8.2
2
Me
Meas
asur
urem
emen
ent
t of
of Ca
Card
rd Vo
Volt
ltag
age
e
Always follow basic
Always follow basic troubleshooting steps.
troubleshooting steps.
--
T
Taallk t
k to t
o th
he o
e op
pe
erraatto
orr..
--
Confi
Confirm
rm the o
the operat
perator's
or's descr
descriptio
iption of
n of the
the probl
problem w
em with a
ith an ope
n operatio
rational c
nal check
heck..
--
Vis
Visual
ually in
ly inspe
spect c
ct cabl
ables, c
es, conn
onnec
ector
tors, co
s, conta
ntacto
ctor tip
r tips, et
s, etc.
c.
--
Perf
Perform
orm basic
basic batt
battery c
ery cables
ables to f
to frame
rame resis
resistance
tance test
test. (at
. (at least
least 20 k o
20 k ohm)
hm)
--
Ch
Che
eck b
ck baatt
tte
erry co
y cond
ndit
itiion
on..
Always check each option and
Always check each option and write down the reading.
write down the reading.
Note: The
Note: The illustrations show digital multimeters. In these
illustrations show digital multimeters. In these
multimete
multimeters, the positive (+) terminal is
rs, the positive (+) terminal is applied with
applied with
positive charge, and the negative (-) terminal with
positive charge, and the negative (-) terminal with
negative charge. It should be noted that the terminals
negative charge. It should be noted that the terminals
must be connected inversely when using an analog
must be connected inversely when using an analog
meter.
meter.
1.
1. Mul
Multim
timete
eterr
2.
2. Cla
Clamp me
mp meter
ter
3.
3. IC
IC cl
clip
ip
500961
500961
1
1
2
2
3
3
WARNING
WARNING
Disconnect the battery plug before in
Disconnect the battery plug before inspecting or adjusting the controller.
specting or adjusting the controller.
WARNING
WARNING
To prevent acc
To prevent accidental moveme
idental movement of the truc
nt of the truck, place wood bloc
k, place wood blocks under the
ks under the truck to lift the
truck to lift the front wheels o
front wheels off the ground.
ff the ground.
Stay away from the front wheels.
Stay away from the front wheels.
(1)
(1) Tilt the mast fu
Tilt the mast fully backward. Place blo
lly backward. Place blocks under the
cks under the mast, and tilt the
mast, and tilt the mast forward
mast forward to raise the fro
to raise the front end of the
nt end of the truck.
truck.
(2)
(2) Tur
Turn th
n the ke
e key sw
y switc
itch of
h off.
f.
(3)
(3) Disco
Disconnect t
nnect the batt
he battery plu
ery plug. Rem
g. Remove the c
ove the cover
over..
(4)
(4) Rec
Reconn
onnect t
ect the ba
he batte
ttery pl
ry plug.
ug.
(5)
(5) Turn the key sw
Turn the key switch on. Connect
itch on. Connect the negative t
the negative terminal of the
erminal of the multimete
multimeter to the V G
r to the V GND terminal o
ND terminal of the card.
f the card.
(6)
(6) Set t
Set the mu
he multim
ltimeter
eter to th
to the 100
e 100 VDC r
VDC range
ange..
(7)
(7) Connect the
Connect the positive termin
positive terminal of the multim
al of the multimeter to eac
eter to each pin of connect
h pin of connectors detailed on t
ors detailed on the following pag
he following pages.
es.
Note: Be
Note: Be careful not to short-circuit pins. For the
careful not to short-circuit pins. For the normal voltage value, refer to the card voltage chart on
normal voltage value, refer to the card voltage chart on the following pages.
the following pages.
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