Yokogawa digitalYEWFLO (DY) - Manual (Page 105)

IM 1F2B4-01-YIA
Page 100
TROUBLESHOOTING
6.5.2 Flowmeter output with no flow
Confirm that all downstream
valves are closed
Perform piping check-out
secion 6.4.3
END
END
END
YES
YES
YES
YES YES
YES
YES
END
NO
NO
NO
NO
Are Analog/Pulse jumpers
set correctly and in agreement
with output type, parameter B2?
Do B parameters agree with
process conditions, fluid
type, meter size, etc.?
Perform noise balance
adjustment, section 6.4.4?
Output?
Perform noise judge adjustment,
section 6.4.5.
Output?
Perform trigger level
adjustment, section 6.4.6.
Output?
Perform low-cut frequency
adjustment, section 6.4.7.
Output?
Correct parameters
Correct parameters
NO
NO
END
END
Contact Yokogawa Industrial Automation
technical assistance, 800/524-7378