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Troubleshooting
●Troubleshooting
If operation failure happens at a product, please seek a cause of your trouble with the following chart by
tracing failure applicable to your case. If the cause you reached seems not to be applicable to your case,
and the operates normally after replacing the failed one with a new one, the product would be broken.
A product can be broken due to the operating environment. If your product seems to be broken, please
contact us.
●Possible cause and countermeasure
Fault
Status
Indication is not
shown
Indication is blinking
Indication is blinking
Wrong
display
Incorrect display
Possible cause
Check that brown line and blue
Wiring failure
line are connected to DC (+)
and DC (-) respectively.
Connctor is come
Check the connection of the
off
connectors
Check whether or not flow rate
Peak/bottom
indication is in peak value
Indicating
(bottom value) indication
function
mode.
(1) Possibility of foreign matter
to be got in.
Foreign matter
(2) Possibility of foreign matter
was got in or
to be attached.
attached.
Check whether or not mesh
got foreign matter.
Check that the mounting
Piping in the
direction of the product is
reverse direction
same as the flow direction.
Check if there is supply
pressure fluctuation or
pressure pulsation due to the
Flow is pulsing
characteristics of the
compressor or pump acting as
the pressure source.
(1) Possibility of foreign matter
to be got in.
Foreign matter
(2) Possibility of foreign matter
was got in or
to be attached.
attached.
Check whether or not mesh
got foreign matter.
Piping in the
Check that the mounting
reverse
direction of the product is
direction
same as the flow direction.
An incorrect flow
Check the selection of the flow
unit was
unit.
selected.
-50-
Item to check
Have correct wiring.
Connect the connectors
"Peak/bottom value indication",
and remove the setting if
unnecessary.
(Refer to page 46)
Set up filter or mist separator
at upstream side of the
product.
Match the mounting direction
with the flow direction.
Install a tank to reduce the
pressure fluctutation.
Change the pressure source to
one which has less pulsation.
Set up filter or mist separator
at upstream side of the
product.
Match the mounting
direction with the flow
direction.
Select the appropriate flow
unit.
Countermeasure
No.PF##-OMJ0018
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