P
u
mp won't prime
1.
Su
ction line pro
b
lem
Check for le
a
k
s
in
su
ction line
2. Byp
ass
v
a
lve open
Remove
a
nd in
s
pect v
a
lve; m
us
t move freely &
b
e free of de
b
ri
s
3
. V
a
ne
s
s
ticking Check
v
a
ne
s
a
nd
s
lot
s
for nick
s
,
bu
rr
s
a
nd we
a
r
4. G
as
ket le
a
k
a
ge Tighten
cover
s
a
nd joint
s
5. Exce
ss
ive rotor or v
a
ne we
a
r
Check rotor & v
a
ne
s
for exce
ss
ive we
a
r or d
a
m
a
ge
6. O
u
tlet
b
locked Check
p
u
mp o
u
tlet, ho
s
e, nozzle & filter for
b
lock
a
ge
7. V
a
por Lock
Red
u
ce vertic
a
l
a
nd horizont
a
l di
s
t
a
nce from p
u
mp to li
qu
id;
Remove
au
tom
a
tic nozzle
P
u
mp h
u
m
s
bu
t
1. Dirt in p
u
mp c
a
vity Cle
a
n o
u
t p
u
mp c
a
vity
will not oper
a
te
2. Motor f
a
il
u
re
Ret
u
rn to pl
a
ce of p
u
rch
as
e
3
. Broken key
Remove
a
ll de
b
ri
s
& repl
a
ce key
Low c
a
p
a
city 1.
Exce
ss
ive dirt in
s
creen Remove
a
nd cle
a
n
s
creen
2.
Su
ction line pro
b
lem Check
su
ction line for le
a
k
s
or re
s
triction
s
; it m
a
y
b
e too
s
m
a
ll, too long or not
a
irtight
3
. Byp
ass
v
a
lve
s
ticking Remove
a
nd in
s
pect v
a
lve; m
us
t move freely &
b
e free of de
b
ri
s
4. V
a
ne
s
s
ticking Check
v
a
ne
s
a
nd
s
lot
s
for we
a
r
5. Exce
ss
ive rotor or v
a
ne we
a
r
Check rotor & v
a
ne
s
for exce
ss
ive we
a
r or d
a
m
a
ge
6. Ho
s
e or nozzle d
a
m
a
ge Repl
a
ce ho
s
e or nozzle
7. Pl
u
gged filter
Repl
a
ce filter
8
. Low fl
u
id level
Fill t
a
nk
P
u
mp r
u
n
s
s
lowly
1. Incorrect volt
a
ge
Check incoming line volt
a
ge while p
u
mp i
s
r
u
nning
2. V
a
ne
s
s
ticking Check
v
a
ne
s
a
nd
s
lot
s
for nick
s
,
bu
rr
s
a
nd we
a
r
3
. Wiring pro
b
lem
Check for loo
s
e connection
s
4. Motor pro
b
lem Ret
u
rn to pl
a
ce of p
u
rch
as
e
Motor
s
t
a
ll
s
1.
Byp
ass
v
a
lve
s
ticking Remove
a
nd in
s
pect v
a
lve; m
us
t move freely &
b
e free of de
b
ri
s
2. Low volt
a
ge
Check incoming line volt
a
ge while p
u
mp i
s
r
u
nning
3
. Exce
ss
ive rotor or v
a
ne we
a
r
Check rotor & v
a
ne
s
for exce
ss
ive we
a
r or d
a
m
a
ge
4. De
b
ri
s
in p
u
mp c
a
vity Cle
a
n p
u
mp c
a
vity
Motor overhe
a
t
s
1.
P
u
mping high vi
s
co
s
ity fl
u
id
s
The
s
e fl
u
id
s
c
a
n only
b
e p
u
mped for
s
hort period
s
of time
(le
ss
th
a
n
3
0 min
u
te
s
d
u
ty cycle)
2. Clogged
s
creen Remove
a
nd cle
a
n
s
creen
3
. Re
s
tricted
su
ction pipe
Remove
a
nd cle
a
n pipe
4. Motor f
a
il
u
re Ret
u
rn to pl
a
ce of p
u
rch
as
e
5. P
u
mp rotor lock-
u
p Cle
a
n
a
nd check p
u
mp rotor
a
nd v
a
ne
s
Motor will not t
u
rn on
1. No power
Check incoming power
2.
S
witch f
a
il
u
re Ret
u
rn to pl
a
ce of p
u
rch
as
e
3
. Motor f
a
il
u
re Ret
u
rn to pl
a
ce of p
u
rch
as
e
4. Therm
a
l protector f
a
il
u
re Ret
u
rn to pl
a
ce of p
u
rch
as
e
5. Incorrect/loo
s
e wiring
Check wiring
Fl
u
id le
a
k
a
ge 1.
B
a
d o-ring g
as
ket Check
a
ll o-ring g
as
ket
s
2. Dirty
s
h
a
ft
s
e
a
l Cle
a
n
s
e
a
l &
s
e
a
l c
a
vity
3
. B
a
d
s
h
a
ft
s
e
a
l Repl
a
ce
s
e
a
l
4. Incomp
a
ti
b
le fl
u
id
Refer wetted p
a
rt
s
li
s
t to fl
u
id m
a
n
u
f
a
ct
u
rer
5. Loo
s
e f
as
tener
s
Tighten
f
as
tener
s
TROUBLESHOOTING
SOLUTION
POSSIBLE CAUSE
PROBLEM