ADS Environmental Services Model 3600 530002 A2 - Manual (Page 117)

7-10 ADS 3600 Flow Monitor O&M Manual
Problem The pressure depth subsystem temperature and depth readings are erratic.
Possible Cause The cabling to the pressure sensor or the pressure board may be faulty.
The pressure sensor may be faulty.
Solution Examine the pressure sensor and clean it if necessary.
If the problem is still unresolved, contact an ADS trained technician for further information
about replacing the pressure sensor.
If the problem persists, replace the monitor and send the old one to ADS for service.