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11.7 Troubleshooting
Although magnetic flowmeters rarely require maintenance, failures may occur when the instrument
is not operated correctly. This section describes troubleshooting procedures where the cause of the
breakdown is identified through receiver indication.
11.7.1 No Indication
START
Is an error being displayed?
Check the converter display.
Is an error being
displayed?
NO
Is anything else
being displayed?
YES
Does the
arrow on the tube match the
flow direction?
YES
Check whether the flowtube
is filled with fluid.
Is the flowtube
full of fluid?
YES
Remove the tube and
inspect the inside of the pipe.
Is foreign
matter adhering to
the walls?
YES
Remove the foreign matter.
YES
Examine in accordance with
Section 6.5.
NO
NO
Perform either of the following:
a. Reinstall the flowtube in
order to make the arrow and
flow direction match.
b. Reverse the setting for the
flow direction.
NO
Change the piping or the
mounting condition so that
the tube fills with the fluid.
NO
Contact a service center.
<11. MAINTENANCE>
F1111.ai
11-10
IM 01E30D01-01EN
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