6F8A0917

13.2.3 Flow rate indication is not stable

START

Is power supply voltage within

NO

the specified range?

 

 

YES

 

 

 

 

 

 

Use a power supply within the specified range.

Aren't the cables slackened?

NO

Are converter and detector grounded with Class D ground (100 or less ground resistance)?

YES

Is the detector pipe filled with fluid?

YES

Isn't the fluid in the detector pipe carrying bubbles?

NO

Isn't there large-current or high- voltage cable or equipment near the flowmeter?

NO

Contact your nearest Toshiba representative.

YES

NO

NO

YES

YES

Connect each cable securely to the terminal block.

Ground the converter/detector with Class D ground (100 or less ground resistance) using IV wire of 5.5 mm² minimum.

Design piping so that the detector pipe is filled with fluid all the time.

Design piping so that the fluid does not carry bubbles.

Install the flowmeter away from the equipment producing electromagnetic or electrostatic interference.

- 161 -

Page 162
Image 162
Toshiba L5232 manual Flow rate indication is not stable, 161