Ultrasonic depth subsystem – ADS Environmental Services IETG FlowHawk QR 775012 A4 User Manual
Page 331

Maintenance and Troubleshooting 8-47
Ultrasonic Depth Subsystem
The following tables contain general troubleshooting techniques for
problems with the ultrasonic depth subsystem corresponding to the
Surface Combo Sensor and the Ultrasonic Depth Sensor.
Note: Contact your IETG representative for further
diagnosis prior to replacing a sensor.
Problem
Range from ultrasonic depth subsystem is slightly
inconsistent with manually measured range.
Possible
Causes
Physical offset may be incorrect.
Pipe height may be incorrect.
Electronic offset might be incorrect.
Possible
Solutions
Verify the physical offset, and adjust it if necessary.
Verify the pipe height.
Verify electronic offset and adjust if necessary.