28
A
C
TION
Plu
g in
c
ab
le
.
Sw
itch
o
n
B
DC.
Tu
rn
o
n
main
S
w
itch
.
Le
t an
e
le
ctr
ic
ia
n
c
h
ec
k i
f th
e
re
is
S
u
ff
ic
ie
n
t vo
ltag
e o
n
te
rmi
n
al
s.
De
ac
ti
vate
b
y tu
rn
in
g th
e kn
o
b
. P
u
sh
s
tart
b
u
tt
o
n
th
e L
ed
"co
n
tr
o
l vo
ltag
e" s
h
o
u
ld
c
o
me
o
n
and
s
tay'
s o
n
w
h
en
b
u
tt
o
n
is
re
le
as
ed
.
Le
t an
e
le
ctr
ic
ia
n
c
h
ec
k th
e main
re
lay.
Sw
itch
b
re
ak
ers
o
n
w
h
e
n
th
ey ar
e o
ff
. Co
u
n
t
th
e fre
q
. o
f th
e
LE
D an
d
c
h
ec
k th
e S
o
fts
ta
rt
er ma
n
u
al fo
r t
h
e ty
p
e o
f f
ail
u
re
an
d
take
ap
p
ro
p
ri
at
e ac
ti
o
n
. W
h
en
L
ED i
s o
ff
, c
h
ec
k E
M
-s
to
p
(s
ee
p
o
in
t 2).
W
h
e
n
L
ED i
s o
n
, c
h
ec
k main
re
lay a
n
d
vo
ltag
e
sw
itch
re
lay'
s.
Sw
itch
b
re
ak
ers
o
n
w
h
e
n
th
ey ar
e o
ff
.If
a c
o
d
e is
d
is
p
laye
d
ch
ec
k th
e fre
q
. Dri
ve
ma
n
u
al fo
r
th
e typ
e o
f f
ail
u
re
an
d
take
ap
p
ro
p
ri
at
e ac
ti
o
n
. W
h
en
L
ed
is
o
ff
c
h
ec
k E
M
-s
to
p
(
se
e p
o
in
t
2)
.W
h
en
o
n
c
h
ec
k main
r
el
ay a
n
d
vo
ltag
e s
w
itch
re
lay'
s.
Ch
ec
k
cab
le
fro
m te
rmi
n
al
s to
s
te
er o
n
d
ama
ge
o
r l
o
o
se
c
o
n
n
ec
ti
o
n
s.
Ch
ec
k ca
b
le
o
n
lo
o
se
c
o
n
n
ec
ti
o
n
s o
r d
ama
ge
.
R
ep
lac
e
p
o
tme
te
r
w
h
e
n
b
ro
ke
.
Ch
ec
k ca
b
le
o
n
lo
o
se
c
o
n
n
ec
ti
o
n
s o
r d
ama
ge
.
R
ep
lac
e
sw
itch
w
h
en
b
ro
ke
.
Ch
ec
k s
ett
in
g o
f br
ak
e air
gap
e e
ct.fro
m ma
n
u
al.
If
p
o
w
er o
n
te
rmi
n
al
s c
h
ec
k ca
b
le
o
f th
e b
rak
e o
n
lo
o
se
c
o
n
n
ec
ti
o
n
o
r
d
ama
ge
. If
n
o
p
o
w
er ch
ec
k fu
se
and
s
w
itch
in
g o
f f
re
q
. d
ri
ve
re
lais
C
H
EC
K
Is
th
e s
u
p
p
ly c
ab
le
p
lu
gg
e
d
in
t
h
e
w
all
s
o
cke
t/g
en
e
rato
r?
Is
th
e
su
p
p
ly c
ab
le
p
lu
gg
e
d
in
t
h
e
s
o
cke
t o
f th
e B
DC an
d
is
t
h
e
BDC switch
ed
o
n
? (
se
e ma
n
u
al o
f B
DC)
Is
th
e main
s
w
itch
tu
rn
e
d
o
n
?
Ch
ec
k i
f th
e E
M
-s
to
p
b
u
tto
n
is
p
u
sh
ed
in
.
Ch
ec
k circu
it
b
re
ake
rs
.
Ch
ec
k
main
R
el
ai
s.
Is
G
en
eral
fa
ilu
re
L
ED o
n
?
Ch
ec
k fail
u
re
L
ED o
n
s
o
fts
tart
er. I
f th
e L
ED i
s b
lin
ki
n
g,
c
o
u
n
t th
e
amo
u
n
t o
f bl
in
ks
.
Is
c
o
n
tr
o
l vo
ltag
e le
d
o
n
?
Is
G
en
eral
fa
ilu
re
L
ED o
n
? Che
ck fail
u
re
c
o
d
e o
n
fre
q
. Dri
ve
.
Is
c
o
n
tr
o
l vo
ltag
e le
d
o
n
?
Ch
ec
k vo
ltag
e o
n
X2.
Ch
ec
k p
o
tme
te
r.
Ch
ec
k
if 24v
is
o
n
te
rm
in
als
w
h
en
fre
q
u
e
n
cy d
ri
ve
is
o
n
.
Ch
ec
k b
rake
ma
n
u
al.
Is
th
er
e 24V
d
c o
n
te
rmi
n
al
s w
h
e
n
ac
ti
vatin
g
d
ri
ve
.
C
A
US
E
N
o
p
o
w
er
su
p
p
ly
.
EM
-s
to
p
ac
ti
vate
d
.
N
o
c
o
n
tr
o
l V
o
ltag
e.
Mai
n
re
lai
s is
n
o
t h
o
ld
in
g o
r
ac
ti
vatin
g.
So
ft s
tart
er
Fail
u
re
.
Fail
u
re
s
w
itch
in
g o
f H
ig
h
o
r
lo
w
vo
ltag
e re
lais
.
Fre
q
u
en
cy
d
ri
ve
F
ai
lu
re
.
Fail
u
re
s
w
itch
in
g o
f H
ig
h
o
r
lo
w
vo
ltag
e re
lais
(
d
u
al
vo
ltag
e o
n
ly)
.
Trave
l s
w
itch
ac
ti
o
n
N
o
p
o
tme
te
r
si
gn
al
.
N
o
24 vo
lt s
u
p
p
ly o
r
sw
itch
in
g c
o
n
tac
t
Brake
d
ama
ge
d
.
N
o
p
o
w
er s
u
p
p
ly to
b
rake
.
FA
IL
URE
N
o
th
in
g
start
s.
Su
p
p
ly is
O
K B
u
t
n
o
Co
n
tr
o
l
V
o
ltag
e L
ED w
h
en
b
u
tt
o
n
"co
n
tr
o
ls
o
n
" i
s p
u
sh
e
d
.
Co
n
tr
o
l vo
ltag
e L
ED co
me
s
o
n
b
u
t g
o
es
o
ff
w
h
en
b
u
tt
o
n
is
re
le
as
ed
.
Blas
t mo
to
rs
w
ill
n
o
t s
tart
.
Dr
ive
mo
to
r w
ill
n
o
t s
tart
.
N
o
t p
o
ss
ib
le
to
c
h
an
ge
sp
ee
d
.
N
o
t p
o
ss
ib
le
to
c
h
an
ge
d
ire
cti
o
n
.
Dr
ive
mo
to
r Brake
w
ill
n
o
t
d
is
e
n
gag
e.
