Error 1803 on the mailstation and mailstation2

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Products affected: mailstation™, mailstation2™


The meter displays error code 1803 and will not connect.


  • The version of PC Meter Connect is below 5.00.0020.0000.
  • There may be an issue with a Communication Device.


  1. Right-click on the PC Meter Connect (PCMC) icon in the system tray (small icons near the clock)
PC Meter Connect icon
  1. Select About PC Meter Connect to display your PCMC version.
    1. If the version is below 5.00.0020.0000, see Installing PC Meter Connect to download and install the latest version.
    2. If the version is 5.00.0020.0000 or above, see How to troubleshoot the Communication Device on mailstation and mailstation2.

UPDATED: February 24, 2021