ADS Environmental Services Model 4000 530017 A0 - Manual (Page 97)

Maintenance and Troubleshooting 5-11
Problem Monitor establishes a connection, but does not respond
to any message.
Possible
Causes
User may have entered incorrect identification
information.
Cabling may be loose.
Lightning protection board in monitor may be damaged.
Modem in monitor may be faulty.
Possible
Solutions
Verify the identification information (monitor serial
number, telephone number, etc.) and correct if
necessary.
Listen for noise at the site using a field phone. If noise is
present, inspect the wirings and replace wiring if
necessary.
Replace the lightning protection board or module.
Contact telephone company.
Collect the data from the monitor on site using the DMI
cable, and replace the modem.
Contact your regional ADS representative.
Problem Time stamp on the collected data is incorrect.
Possible
Causes
Monitor clock may be faulty.
12-volt battery pack may be low.
PC clock may read incorrect time.
Possible
Solutions
Verify the time on the PC clock and correct if necessary.
Replace 12-volt battery pack.
Reactivate the monitor to enable the clock.
Collect the data from the monitor and replace monitor.