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E-025-2-E
Error/Alarm List
E
rr
o
r/
A
la
rm
C
a
te
g
o
ry
Name of error/alarm
Description
Cause and Countermeasure
Message
displayed on
LinkTop
Message
displayed on
transmitter
Error/alarm
code displayed
on transmitter
Overflow Error
Overflow Error
OvEr.Flo
Er-11
Flow is exceeding 110% of
measurement range.
A
d
ju
s
t
th
e
fl
o
w
s
o
t
h
a
t
p
e
rc
e
n
t
fl
o
w
i
s
l
e
s
s
t
h
a
n
1
1
0
%
o
r
in
c
re
a
s
e
t
h
e
m
e
a
s
u
re
m
e
n
t
ra
n
g
e
s
e
tt
in
g
v
a
lu
e
.
Hardware
Failure
Exciting Coil/
Circuit Error
CoiL.Cir
Er-21
Exciting coil of sensor or exciting
circuit of transmitter is faulty.
Disconnection of exciting coil or transmitter failure.
Contact OVAL representative you purchased the product or your
nearest OVAL sales office or service center.
FRAM Error
PArA.FrA
Er-22
Writing data in FRAM (memory)
is not executed normally.
Writing data to FRAM (memory) is faulty or some parts are damag
ed.
If the error is not cleared by rebooting the transmitter, contact
OVAL representative you purchased the product or your nearest OVAL sales office or service center.
Data Update
Error
dAtA.updt
Er-23
Internal data is not updating
normally.
Data communication between built-in CPUs is faulty or faulty parts. If the error is not cleared by rebooting the transmitter, contact OVAL
representative you purchased the product or your nearest OVAL sales office or service center.
Amplifier
Hardware Error
HArd.Ap
Er-24
Compensation reference value of transmitter amplifier is not appropriate and normal flow calculation is not available.
Sensor or transmitter is faulty. If the error is not cleared by rebooting the transmitter, contact
OVAL representative you purchased the product or your nearest OVAL sales office or service center.
Circuit Voltage
Error
Cir.voLt
Er-25
Voltage in transmitter circuit is
abnormal.
Transmitter failure. If the error is not cleared by rebooting the transmitter, contact OVAL
representative you purchased the product or your nearest OVAL sales office or service center.
Parameter
Alarm
Flow Range Set
Too High Alarm
SEt.FL.Hi
AL-31
P
a
ra
m
e
te
r
s
e
tt
in
g
v
a
lu
e
o
f
in
p
u
t
m
e
a
s
u
re
m
e
n
t
ra
n
g
e
i
s
n
o
t
a
p
p
ro
p
ri
a
te
(
e
x
c
e
e
d
in
g
t
h
e
u
p
p
e
r
li
m
it
).
S
e
t
th
e
m
e
a
s
u
re
m
e
n
t
ra
n
g
e
w
it
h
in
0
.5
t
o
1
0
m
/
s
w
h
e
n
c
o
n
v
e
rt
e
d
t
o
fl
o
w
v
e
lo
c
it
y
.
Flow Range Set
Too Low Alarm
Set.FL.Lo
AL-32
Parameter setting value of input measurement range is not appropriate (below t
h
e l
o
we
r l
im
it
).
Analog Set
Alarm
Set.A.Out
AL-33
U
pp
er
/l
owe
r a
la
rm s
et
tin
g f
or e
nt
er
ed a
na
lo
g
ou
tp
ut i
s n
ot a
pp
ro
pr
ia
te (exceeding the limit).
S
e
t
th
e
u
p
p
e
r
a
n
d
l
o
w
e
r
li
m
it
s
o
f
a
n
a
lo
g
o
u
tp
u
t
s
o
t
h
a
t
a
n
a
lo
g
o
u
tp
u
t
is below measurement range and more than minimum span.
H
/
L
A
la
rm
P
o
in
t
Set Alarm
Set.AL.Ar
AL-34
Entered alarm setting value is not
appropriated (exceeding the limit).
• Set alarm upper limit to be less than measurement range setting. • Set alarm lower limit to be less than alarm upper limit setting. • Set hysteresis value to be equal to or smaller than the difference
between alarm upper limit setting and alarm lower limit setting.
Saturated
Alarm
Analog Output
Saturated
A.Out.Satu
AL-41
Analog output reaches lower limit
of 2.4mA or upper limit of 21.6mA
Adjust the flow so that analog output is in the range of 4 to
20mA, or change the upper and lower limits.
Pulse Output
Saturated
P.Out.Satu
AL-42
Pulse output frequency reaches the
upper limit of 11kHz
Adjust the flow so that pulse output frequency is 10kHz
or less, or change the pulse weight or frequency factor to
appropriate values.
Measurement
Signal Alarm
Measurement
Signal Alarm
SiG.QuAL
AL-43
Transmitter measurement signal is abnormal.
(State where voltages at TP1 and TP2 are
abnormal)
In this state, transmitter measurement signal failure is
occurring. Verify that flowmeter is connected correctly or
check for any foreign matter on the electrode of sensor.
Empty Pipe Alarm
Empty Pipe
Alarm
E.PiPE
AL-44
Measurement pipe is not
completely filled with liquid.
B
le
e
d
a
ir
f
ro
m
t
h
e
m
e
a
s
u
re
m
e
n
t
p
ip
e
a
n
d
k
e
e
p
t
h
e
p
ip
e
f
u
ll
y
fi
ll
e
d
w
it
h
l
iq
u
id
.
H/L Alarm
High Alarm
Occurring
Fr.Hi
AL-45
High alarm is occurring.
A
d
ju
s
t
th
e
fl
o
w
s
o
t
h
a
t
it
i
s
l
e
s
s
t
h
a
n
H
ig
h
A
la
rm
P
o
in
t
s
e
tt
in
g
or increase the setting value of High Alarm Point setting.
Low Alarm
Occurring
Fr.Lo
AL-46
Low alarm is occurring.
Adjust the flow so that it is greater than Low Alarm Point setting or
increase the setting value of Low Alarm Point setting.