SMC Networks ZSE10(F) Operation Manual page 52

Fault No. Fault
Analogue output
(OUT2) is not
provided.
6
(specified
accuracy is not
satisfied).
•An over current
error (Er1, Er2) is
displayed.
•
System error
(Er0, Er4, Er6,
Er7, Er8 or Er9)
is displayed.
•The display
7
shows "HHH".
•The display
shows "LLL".
•Residual
pressure error
(Er3) is
displayed.
Possible cause
Check that the analogue output
Incorrect wiring
(OUT2) is connected to a load.
(1) Check that the correct load is
Non-compliance connected.
with the load (2) Check that the impedance of the
specification. input equipment (A/D transformer)
is suitable.
Check if the product satisfies the
Insufficient
specified accuracy after 10 minutes
warm-up time
warm up time.
Product failure
(1) Check that the switch output load
current is not more than 80 mA.
(2) Check that the connected load
satisfies the specifications, and
Over current check the load for short circuits.
to the output (3) Check that any relay is connected
(Er1, Er2) with a surge voltage suppressor.
(4) Check if the wiring is not in the
same route as (or bundled
together with) a high voltage cable
or power cable.
(1) Check that there is no noise
Incorrect operation
interference such as static
of the internal data
electricity, and check for noise
of the Pressure
sources.
switch
(2) Check that the power supply
(Er0, Er4, Er6,
voltage is within the range 12 to 24
Er7, Er8, Er9)
VDC ±10%.
(1) Check that the pressure is not
Applied pressure above the upper limit of the set
is over the upper pressure range.
limit (HHH). (2) Check that foreign matter has not
entered the piping.
(1) Check that the pressure is not
Applied pressure below the lower limit of the set
is under the lower pressure range.
limit (LLL). (2) Check that foreign matter has not
entered the piping.
Pressure is not
Check that during the zero clear
atmospheric
operation, pressure above ±7%F.S.
pressure at
(±3.5%F.S. for compound pressure)
zero-clear
was not applied.
operation (Er3)
Product failure
-51-
Investigation method Countermeasure
Correct the wiring.
Connect a suitable load.
After energizing, the display
and output can drift. For
detecting fine pressures,
warm up the product for 10 to
15 minutes.
Replace the product.
(1)，(2) Connect the load as
specified.
(3) Use a relay with a surge
voltage suppressor or
take measures to
prevent noise.
(4) Separate the wiring
route from any high
voltage cable or power
cable.
(1) Remove the noise and
the noise source (or take
measures to prevent
noise interference), and
reset the product, or turn
off the power supply and
turn it on again.
(2) Supply a correct voltage
of 12 to 24 VDC ±10%.
(1) Adjust the pressure to
within the set pressure
range.
(2) Take measures to
prevent foreign matter
from entering the piping.
(1) Adjust the pressure to
within the set pressure
range.
(2) Take measures to
prevent foreign matter
from entering the piping.
Return the applied pressure
to atmospheric pressure,
and retry the zero clear
operation.
Replace the product.
No.PS※※-OMM0005-J