-20-
No.PF##-OMJ0016
Fault
Status
Possible cause
Item to check
Countermeasure
Display does not
light up.
Wiring failure
Check that brown line and
blue line are connected to DC
(+) and DC (-) respectively.
Have correct wiring.
Foreign matter
was got in or
attached.
(1) Possibility of foreign
matter to be got in.
(2) Possibility of foreign
matter to be attached.
Check whether or not mesh
got foreign matter.
Set up filter or mist separator
at upstream side of Flow
switch.
Piping in the
reverse direction.
Check that the mounting
direction of the product is
same as the flow direction.
Match the mounting direction
with the flow direction.
Pulsation in the
flow.
Check if there is supply
pressure fluctuation or
pressure pulsation due to the
characteristics of the
compressor or pump acting
as the pressure source.
Install a tank to reduce the
pressure fluctuation.
Change the pressure source to
one which has less pulsation.
Display
light
failure
Flow checking
display light is
unstable.
noise
Check if there is a power line
or a high voltage line which
generates noise in the wiring
route.
Route wiring separately from
power lines and high voltage
lines.
The flow
adjustment valve
is locked.
Check the lock ring of the flow
adjustment valve.
Loosen the lock ring, and then
adjust the flow adjustment
valve. (Refer to page 12)
Improper
operation
of the
flow
adjustme
nt valve
Adjustment failure
with the flow
adjustment valve.
Insufficient supply
pressure
Check the supply pressure
and the flow characteristics of
the flow adjustment valve.
Increase the supply pressure.
Summary of Contents for PFM5 Series
Page 1: ...No PF OMJ0016 Flow sensor PRODUCT NAME PFM5 Series MODEL Series ...
Page 10: ... 9 No PF OMJ0016 Model Indication Method ...
Page 26: ... 25 No PF OMJ0016 Dimensions PFM5 N 01 N 02 F01 1 2 Connector dimensions ...
Page 27: ... 26 No PF OMJ0016 PFM5 N 01L N 02L F01L 1 2 ...
Page 28: ... 27 No PF OMJ0016 PFM5 S N 01 N 02 F01 1 2 ...
Page 29: ... 28 No PF OMJ0016 PFM5 S N 01L N 02L F01L 1 2 ...
Page 30: ... 29 No PF OMJ0016 PFM5 F02 1 2 ...
Page 31: ... 30 No PF OMJ0016 PFM5 F02L 1 2 ...
Page 32: ... 31 No PF OMJ0016 PFM5 S F02 1 2 ...
Page 33: ... 32 No PF OMJ0016 PFM5 S F02L 1 2 ...
Page 34: ... 33 No PF OMJ0016 PFM5 C N 1 2 ...
Page 35: ... 34 No PF OMJ0016 PFM5 C N L 1 2 ...
Page 36: ... 35 No PF OMJ0016 PFM5 S C N 1 2 ...