Model: Personal Series LCD Clock
Verify the Transmitter(s) is not in an error state. After the error state is resolved, the Transmitter should be powered down and powered back on to allow it to resynchronize with its time source. Refer to the Transmitter model Troubleshooting topics.
Other conditions that may be the cause of a signal loss.
Did the Transmitter lose power?
Did the Transmitter lose its time source?
Was the clock moved beyond the signal range of the Transmitter?
Was there a recent change in reception due to electrical interference, which may include faulty ballast for florescent lighting?
Has there been recent renovations in the site area?