User guide

5-18 ADS Model 4000 Manual
Problem
Ultrasonic depth sensor reports two abnormal
temperatures.
Possible
Causes
Ultrasonic depth sensor connection to monitor may be
loose.
Both temperature sensors may be faulty.
Ultrasonic depth sensor may be faulty.
Possible
Solutions
Secure ultrasonic depth sensor connection to monitor (if
necessary).
Replace the ultrasonic depth sensor.
Replace the depth board.
Doppler Velocity Subsystem
The following tables contain general troubleshooting techniques for
the Doppler velocity subsystem.
Note: Contact a trained ADS technician for further
diagnosis prior to replacing a sensor.