Yokogawa Magnetic Flowmeter AE202-MG

Confirmation of Sealing Condition

Confirm the sealing conditions of the flowmeter

Are drain plugs or waterproof glands provided for conduit piping?

Inspect the sealing condition of the terminal box and wiring ports

Is there any suspicion of water penetration into the flowmeter?

If water penetration is suspected, describe the circumstances and when it happened

Maintenance Servicing with Power On

Is the power turned off during maintenance servicing?

Use a gas detector to check for explosive gas presence if servicing with power on.

Limit maintenance servicing to the following if explosive gas presence cannot be checked

Inspect flameproof apparatus for damage or corrosion.

Inspect metal conduits and cables for mechanical and structural defects.

Perform adjustments without opening the equipment cover.

Settings for Test Output Using Data Setting Keys

Ensure the following outputs are set for test

Have the functions been returned to their original status during flow rate measurements?

Setting for Test Output Via the BT200

Ensure the following outputs are set for test

Have the functions been returned to their original status during flow rate measurements?

Ensure test outputs take priority over the flow signal.

Return to normal operation mode after the loop test.

Ensure the power supply is turned OFF

Remove the display to access the fuse holder

Retrieve the spare fuse from the cover of the converter

Replace the fuse with the specified type from Sales & Service Office

Confirm the connector of the display board is not loosened