ADS Environmental Services FlowAlert QR 775011 A2 - Manual (Page 180)

Maintenance and Troubleshooting 7-15
Problem Data is missing at the beginning or end of the date
range following data collection.
Possible
Causes
Monitor activation may have failed.
Monitor time may be incorrect.
Monitor’s firmware or variable file may be corrupt.
Possible
Solutions
Verify whether the monitor has been activated, and
activate if necessary.
Check monitor time, and reset clock if necessary.
Contact your regional ADS representative.
Problem An I/O error message displays when communicating
with the monitor.
Possible
Cause
Circuit board may be faulty.
Possible
Solutions
Re-attempt communication with the monitor.
Replace the monitor if defective.
Contact your regional ADS representative.