ADS Environmental Services Model 4000 530017 A0 - Manual (Page 102)

5-16 ADS Model 4000 Manual
Problem Raw ultrasonic depth data shows depths greater than
the pipe diameter.
Possible
Causes
Electronic or physical offsets may be incorrect.
Pipe height may be incorrect.
Pipe may be surcharged.
Ultrasonic depth sensor may be dirty.
Ultrasonic depth sensor may be faulty.
Possible
Solutions
Verify the physical and electronic offsets.
Verify the pipe height.
Clean the ultrasonic depth sensor.
Contact a trained ADS technician.
Replace the ultrasonic depth sensor.
Replace the depth board.
Problem Depth data indicates a surcharged pipe, but the pipe is
free flowing.
Possible
Causes
Electronic or physical offsets may be incorrect.
Pipe height may be incorrect.
Ultrasonic depth sensor may be dirty.
Ultrasonic depth sensor may be faulty.
Depth board may be faulty.
Possible
Solutions
Verify the electronic and physical offsets.
Verify the pipe height.
Clean the ultrasonic depth sensor.
Contact a trained ADS technician.
Replace the ultrasonic depth sensor.
Replace the depth board.