172-65637MA-05 (GP5C PowerTrap) 8 Jun 2020
25
Types of Failure and their Causes
Detailed expla
nations of the meanings of the numbers listed in the “Types of Failure”
column are found in the “Causes and Corrective Measures” table.
Pump is in the correct operating condition when P
i
≤
P
b
(equipment pressure P
i
is equal
to or lower than back pressure
P
b
).
T
y
pe
s
of
Fa
ilure
(
Cate
go
ry
A
–
G
) a
nd
Cor
rec
ti
v
e M
ea
s
ures
(
Ca
us
es
1
–
4
)
G
1,2
F
3
1
1
1
1
E
1
4
2
1,2
3
1
3,4
D
1
1,2,3
1
C
1,2,3
1,2
B
2
1
A
1,2,3
1
Is
th
ere a
c
on
ti
nu
ou
s
fl
ow
ing
s
o
un
d f
rom
the
ex
h
au
s
t p
ip
e?
NO
Y
E
S
NO
NO
Y
E
S
NO
NO
Y
E
S
NO
NO
Y
E
S
Is
th
ere a
c
on
ti
nu
ou
s
fl
ow
ing
s
ou
n
d f
rom
th
e
mo
ti
v
e
me
di
um
s
u
pp
ly
pi
p
e?
NO
Y
E
S
NO
Y
E
S
Y
E
S
NO
Y
E
S
Y
E
S
NO
Y
E
S
Y
E
S
Has
pu
m
pe
d
me
d
ium
c
ol
lec
ted
i
n t
he
P
owerT
ra
p
?
NO
Y
E
S
NO
Y
E
S
Has
th
e
P
owerT
ra
p
op
erat
ed
at
lea
s
t
on
c
e?
NO
Y
E
S
Does not pump
