Bell & Gossett 176R0649C Technologic 502 Series Pump Controller - Manual (Page 60)

60
Table 9-1. Fault T
able (continued)
Sy
m
pto
m
Po
ssi
bl
e
cau
se
Test
So
lu
tio
n
App
lic
at
io
n
pr
obl
em
Per
for
m
s
tar
tup
pr
oc
ed
ur
es
.
C
hec
k
pane
l o
ut
pu
t m
ot
or
cur
rent
at
ful
l s
pe
ed
and
ch
ec
k
for
ex
ces
si
ve
ov
er
c
ur
rent
.
If
cur
rent
is
to
hi
gh
red
uc
e
load
on
m
ot
or
.
Pan
el
pr
ob
lem
Per
for
m
s
tar
tup
pr
oc
ed
ur
es
.
C
hec
k
pane
l i
npu
t c
ur
rent
at
ful
l
speed
and
ver
ify
it
is
w
ith
in
ac
cept
ab
le
ra
nge
.
If
cur
rent
is
to
hi
gh
red
uc
e
load
on
m
ot
or
.
Po
w
er
pr
ob
lem
Mon
itor
inc
om
ing
po
w
er
for
s
ur
ges
and
s
ags
a
nd
ov
er
al
l
qu
alit
y.
C
or
rec
t an
y
pr
obl
em
s
found.
R
epe
at
ed
fus
e
or
c
irc
ui
t
br
eak
er
Mot
or
pr
ob
lem
Tes
t m
ot
or
for
c
or
rec
t f
unc
tion.
R
epa
ir
or
rep
lac
e
m
ot
or
if
a
pr
obl
em
is
found.
Im
pr
oper
v
ol
tage
ap
plie
d
See
pr
e-
sta
rtu
p c
he
ck
li
st.
C
or
rec
t v
ol
ta
ge
m
is
m
at
ch.
T
hi
s
coul
d
pot
ent
ial
ly
dam
age
pa
ne
l c
au
tio
n
on
appl
yi
ng
po
w
er
rec
om
m
ended.
C
us
tom
er
w
ires
inc
or
rec
tly
ter
m
inat
ed
See
cus
tom
er
c
onnec
tion
d
raw
in
g
an
d
m
ak
e
sur
e
w
ire
s
ar
e
connec
te
d
to
cor
rec
t t
er
m
inal
s.
C
or
rec
t an
y
w
ro
ng
con
nec
tions
.
Thi
s
coul
d
pot
en
tia
lly
cas
e
dam
age
to
pan
el
.
C
ont
ro
l gr
ound
fau
lt
C
hec
k
al
l c
ont
rol
w
ires
for
a
shor
t t
o
gr
ou
nd.
C
or
rec
t an
y
gr
ound
faul
ts
found
.
Thi
s
coul
d
pot
en
tia
lly
cas
e
dam
age
to
pan
el
.
O
pen
con
trol
fus
e
C
ont
ro
l s
hor
t
C
hec
k
cont
rol
w
ires
for
a
shor
t i
n
supp
ly
v
ol
tag
e.
C
or
rec
t an
y
shor
ts
.
Thi
s
co
ul
d
pot
ent
ial
ly
c
as
e
dam
age
to
pane
l.
Im
pr
oper
v
ol
tage
ap
plie
d
See
pr
e-
sta
rtu
p c
he
ck
li
st.
C
or
rec
t v
ol
ta
ge
m
is
m
at
ch.
T
hi
s
coul
d
pot
ent
ial
ly
dam
age
pane
l c
au
tio
n
on
appl
yi
ng
po
w
er
rec
om
m
ended.
C
us
tom
er
w
ires
inc
or
rec
tly
ter
m
inat
ed
See
cus
tom
er
c
onnec
tion
d
raw
in
g
an
d
m
ak
e
sur
e
w
ire
s
ar
e
connec
te
d
to
cor
rec
t t
er
m
inal
s.
C
or
rec
t an
y
w
ro
ng
con
nec
tions
.
Thi
s
coul
d
pot
en
tia
lly
cas
e
dam
age
to
pan
el
.
C
ont
ro
l gr
ound
fau
lt
C
hec
k
al
l c
ont
rol
w
ires
for
a
shor
t t
o
gr
ou
nd.
C
or
rec
t an
y
gr
ound
faul
ts
found
.
Thi
s
coul
d
po
te
nt
ia
lly
cas
e
dam
age
to
pan
el
.
O
pe
n
SM
PS
fus
e
C
ont
ro
l s
hor
t
C
hec
k
cont
rol
w
ires
for
a
shor
t i
n
supp
ly
v
ol
tag
e.
C
or
rec
t an
y
shor
ts
.
Thi
s
co
ul
d
pot
ent
ial
ly
c
as
e
dam
age
to
pane
l.
Mot
or
rot
at
ion
inc
or
rec
t
R
ot
at
ion
inc
or
rec
t i
n
by
pas
s,
dr
iv
e
or
bot
h
Mot
or
rot
at
ion
is
bac
kw
ar
ds
in
dr
iv
e
m
ode,
b
ypas
s
m
ode,
or
bot
h.
Per
for
m
m
ot
or
rot
at
io
n
pr
oc
edur
e
in
st
ar
tup
sec
tion
of
m
anual
.