58 ER3000 User Manual
10.7 Leak Test
The ER3000 can be leak tested using the DOS Tune program or the Windows
ER3000(CVI) program. Prior to running the leak test, ensure the following items
are done.
• ER3000 wired up and communicating to the computer.
• 100psi is applied to the inlet of the ER3000.
• The outlet port of the ER3000 is plugged.
10.7.1 Windows ER3000 Program
Setup Screens as Shown in Table
Tuning Signal Gen. Plot Misc.
Control Mode: Manual
Sensor Range: 0/100
(Min/Max)
S
S
i
i
g
g
n
n
a
a
l
l
T
T
y
y
p
p
e
e
:
:
T
T
o
o
g
g
g
g
l
l
e
e
S
S
e
e
t
t
p
p
o
o
i
i
n
n
t
t
1
1
:
:
0
0
S
S
e
e
t
t
p
p
o
o
i
i
n
n
t
t
2
2
:
:
5
5
0
0
A
A
x
x
i
i
s
s
,
,
V
V
e
e
r
r
t
t
i
i
c
c
a
a
l
l
:
:
-
-
5
5
/
/
1
1
0
0
5
5
(
(
M
M
i
i
n
n
/
/
M
M
a
a
x
x
)
)
A
A
x
x
i
i
s
s
,
,
T
T
i
i
m
m
e
e
:
:
5
5
S
S
p
p
a
a
n
n
:
:
1
1
0
0
0
0
Z
Z
e
e
r
r
o
o
:
:
0
0
(
(
N
N
e
e
e
e
d
d
n
n
o
o
t
t
b
b
e
e
e
e
x
x
a
a
c
c
t
t
)
)
Procedure:
• Open “PLOT” and “SIGNAL GENERATOR” Screens
• Click on Setpoint 1, wait until feedback reaches 0
• Click on Setpoint 2
• Watch the feedback signal for 25 seconds, it should remain constant
If feedback increases, the inlet solenoid is leaking
• Change Setpoint 1 to 100
• Click on Setpoint 1
• Wait for feedback to stabilize, which takes approximately 5 seconds
• Click on Setpoint 5
• Watch feedback signal for 25 seconds, it should remain constant
If feedback decreases, the unit is leaking
• If leaking, plug exhaust port with finger and release
If pressure buildup at exhaust, then exhaust solenoid is leaking
10.7.2 DOS Tune Program
Main Screen Settings Setup Screen Settings
i = 50
j = 0
l =
toggle
m = -5
S
S
e
e
t
t
p
p
o
o
i
i
n
n
t
t
#
#
1
1
S
S
e
e
t
t
p
p
o
o
i
i
n
n
t
t
#
#
2
2
W
W
a
a
v
v
e
e
T
T
y
y
p
p
e
e
D
D
i
i
s
s
p
p
l
l
a
a
y
y
,
,
L
L
o
o
w
w
e
e
r
r
n = 105
o = 5
w = 0
x = 100
D
D
i
i
s
s
p
p
l
l
a
a
y
y
,
,
U
U
p
p
p
p
e
e
r
r
T
T
i
i
m
m
e
e
b
b
a
a
s
s
e
e
S
S
e
e
n
n
s
s
o
o
r
r
R
R
a
a
n
n
g
g
e
e
,
,
L
L
o
o
w
w
S
S
e
e
n
n
s
s
o
o
r
r
R
R
a
a
n
n
g
g
e
e
,
,
H
H
i
i
g
g
h
h
a
a
=
=
1
1
0
0
0
0
(
(
a
a
p
p
p
p
r
r
o
o
x
x
.
.
)
)
b
b
=
=
0
0
(
(
a
a
p
p
p
p
r
r
o
o
x
x
.
.
)
)
c
c
=
=
M
M
a
a
n
n
u
u
a
a
l
l
d
d
=
=
D
D
i
i
g
g
i
i
t
t
a
a
l
l
S
S
p
p
a
a
n
n
Z
Z
e
e
r
r
o
o
M
M
o
o
d
d
e
e
S
S
e
e
t
t
p
p
o
o
i
i
n
n
t
t
S
S
o
o
u
u
r
r
c
c
e
e
Procedure:
• From the TUNE Main Screen, select ‘b’ to run plot.
• Press “spacebar” to toggle Setpoint to 0.
• Wait until Feedback reaches 0.
• Press “spacebar” to toggle Setpoint to 50.
• Watch the Feedback (FB) signal for 25 seconds.
If feedback increases, the inlet solenoid is leaking
• Change ‘j’ (Setpoint #2) to 100.