Error Code: 0815, How to resolve on the DM300C, DM400C and more

Learn how to resolve error code 0815 on the DM300C, DM400C, DM475.
Products affected: DM300C™, DM400C™, and DM475™


The meter displays error code 0815 and may not print.


There is a missing or corrupt rate file in the meter.


You may be able to clear the error by simply restarting your meter and getting a download.  Here are the steps to follow for a safe restart and getting a download:
  1. Unplug the power cord, wait one minute
  2. Plug the power cord back in, ensuring that it is plugged directly into a wall outlet
  3. Press Menu
  4. Press Page Down twice
  5. Select Data Center Options
  6. Select Check for Updates
If your issue is not resolved, contact customer support from 8 am to 8 pm Eastern Time. Have your model number ready.

UPDATED: 14 August 2021