This indicates the probe was disconnected when the logger took a sample. The readings are paused until the next sample is taken and will show a temperature again when the probe is connected and the next sample is taken.

To start the VFC400: hold the start button down; the word “starting” will display. A second later the word ready disappears; when the word ready disappears you must remove your thumb/ finger within 1-2 seconds or it will go back to the “ready” state.

Simply hold the start/clear/stop button for 2 seconds and release. The temperature will disappear and the word “stopped” will display.

If your data logger is in the not ready mode, it will need to be configured before you are able to re-start your data logger. If you haven’t performed your initial configuration, you will need to do that(Instructions are located in both the video tutorial as well as the PDF instructions above). If you have been using your data logger already, make sure you have the data downloaded from the data logger, then click on “logtag” in the upper left corner of the VTMC software and select “quick reconfigure”. Once the status bar reaches 100%, you should be good to go.

If the audible alarm is going off you’ve gone into an excursion and need to download the data onto the computer to see when/how it happened. Downloading and re-configuring the logger is the only way to stop the audible alarm.