SMC Networks ZL6 Series Operation Manual page 52

Error
Problem
No.
The pressure
display accuracy
11
does not meet the
specifications.
The display units
12 cannot be
changed.
The buttons
13 cannot be
operated.
The product is
14
noisy.
Possible cause
Check if any foreign matter has
Foreign matter
entered the pressure port.
Air or liquid Check if air or liquid are leaking from
leakage the piping.
Check if the product satisfies the
Insufficient
specified accuracy 10 minutes after
warm-up time
supplying power.
Product failure
Improper model
selection
Check if there is a "-M" at the end of
(Selection of
the part number printed on the
model "without
product.
unit selection
function")
Product failure
Key-lock mode is Check if the key-lock function is turned
activated. on.
Product failure
Air or liquid Check if air or liquid are leaking from
leakage the piping.
Product failure
-51-
Investigation method Countermeasure
Install a 5 m filter to
prevent foreign matter from
getting into the pressure
port.
Also, clean the filter
regularly to prevent
drainage deposits.
Rework the piping.
If the tightening torque is
exceeded, the mounting
screws, brackets and the
pressure switch may be
damaged.
After energizing, the display
and output can drift
For precise pressure
detection, allow the product
to warm up for 10 to 15
minutes.
Replace the product.
"-M" in the part number
means that the
measurement unit cannot
be changed.
(kPa or MPa can be
selected.)
: The unit selection function is
not available in Japan due to
a new measurement law.
: It is fixed to the SI unit "kPa",
"MPa".
Replace the product.
Release the key-lock
function.
Replace the product.
Rework the piping.
If the tightening torque is
exceeded, the mounting
screws, brackets and the
pressure switch may be
damaged.
Replace the product.
NO.ZL3-OM00701-A