5707070-A Troubleshooting and Customer Support 3-1
Chapter
Sono-Trak™ Doppler Ultrasonic Flow Meter
Chapter
3
Troubleshooting and Customer
Support
The following sections provide useful information for troubleshooting your Sono-
Trak™ Doppler ultrasonic flow meter and process as related to your flow meter.
Product warranty, return policy, and customer support information appears near the
end of this chapter.
TROUBLESHOOTING THE UNIT
If you suspect your Doppler flow meter is malfunctioning, please perform the
following checks before calling EMCO Flow Systems Support:
1. Make sure that the unit is properly connected to input power. See “Mounting and
Connecting Power to the Electronics Enclosure” on page 2-13. Also, see “Status
of Unit Power” on page 3-2.
2. Make sure that the transducers are properly connected to the electronics enclosure
and that they are properly mounted. See “Mounting and Connecting the
Transducers” on page 2-9.
3. Ensure input power is on and power is within specifications. See “Functional
Specifications” on page 4-3 for power requirements.
4. Is the Echo LED light flashing or off? See “Status of Echo LED: Flashing” on
page 3-5 or “Status of Echo LED: Off” on page 3-3 for troubleshooting
information.
5. Does your Doppler flow meter flow rate reading appear too low, too high, or
erratic, but your Echo light is on? See “Status of Flow Reading: High or Low” on
page 3-6 or “Status of Flow Reading: Erratic” on page 3-8 for troubleshooting
information. Also, consult “Echo LED Light Considerations” on page 3-9 for
more information about the Echo light.
6. Have you performed the above checks and you still have no flow reading?
4
If you have performed all the above checks and followed troubleshooting
procedures in the “Flow Meter Troubleshooting Tables” on page 3-2 and your
unit is still malfunctioning, contact “EMCO Flow Systems Support” on
page 3-11.
