4. Troubleshooting
4.1 Flashing Seconds
There are two instances when the seconds (6 digit clock) and the AM/PM dots will flash to indicate a
problem.
4.1.1 Lost Link
If the seconds and the AM/PM dots are flashing it is possible that the link was lost, check to make sure
everything is connected properly at both ends of the cable.
4.1.2 Missed NTP packet
If an NTP packet was sent but a reply wasn't received the seconds and AM/PM dots will flash. This can
happen every now and then, the flashing will stop as soon as the TMPC completes a successful send
and receive cycle. If the primary server can no longer be reached the backup server will become the
primary server. This is observable by looking at the configuration web page, if the primary and backup
servers display the same address(primary will be in IPv4 format) than this scenario has occurred. If
both servers fail the seconds and AM/PM dots will continue to flash until the issue is resolved. Log into
the configuration web page and set new SNTP servers.
4.2 AM/PM Sequence at Boot Up
During initial boot up, and while in DHCP mode, when the clock receives an IP address the AM LED
will turn on and the PM LED will turn off. If in static IP mode, this feature is still present but irrelevant.
Installation and Operations Manual | Page 13
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