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7 troubleshooting, 1 no indication, Troubleshooting -10 11.7.1 – Yokogawa ADMAG AXR User Manual

Page 150: No indication -10

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<11. MAINTENANCE>

11-10

IM 01E30D01-01EN

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

NO

NO

NO

YES

NO

NO

Is an error being

displayed?

Is anything else

being displayed?

YES

YES

YES

Check whether the flowtube

is filled with fluid.

Is the flowtube

full of fluid?

Remove the tube and

inspect the inside of the pipe.

Is foreign

matter adhering to

the walls?

Does the

arrow on the tube match the

flow direction?

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.

Change the piping or the

mounting condition so that

the tube fills with the fluid.

Remove the foreign matter.

START

Contact a service center.

YES

F1111.ai

Is an error being displayed?

Check the converter display.

Examine in accordance with

section 6.5: Alarms.