ADS Environmental Services FlowShark QR 775003 A2 - Manual (Page 211)

8-26 ADS FlowShark IS Manual
Problem Raw ultrasonic depth data shows depths greater than
the pipe diameter.
Possible
Causes
Physical offset may be incorrect.
Pipe height may be incorrect.
Pipe may be surcharged.
Sensor may be dirty.
Sensor may be faulty.
Possible
Solutions
Verify the physical offset.
Verify the pipe height.
Clean the sensor.
Replace the sensor.
Contact your regional ADS representative.
Problem Ultrasonic depth data indicates a surcharged pipe, but
the pipe is free flowing.
Possible
Causes
Physical offset may be incorrect.
Pipe height may be incorrect.
Sensor may be dirty.
Sensor may be faulty.
Analog board may be faulty.
Possible
Solutions
Verify the physical offset.
Verify the pipe height.
Clean the ultrasonic depth sensor.
Contact your regional ADS representative.
Replace the sensor.
Replace the monitor if defective.