VERIFIED SOLUTION i

Resolve "Screen File Mismatch" on the DM300C, DM400C, DM450C and DM475

Products affected: DM300C™, DM400C™, DM450C™, DM475™

Issue

The meter displays "Screen File Mismatch" and the meter will not turn on.

Cause

The internal meter software has malfunctioned.

Resolution

UPDATED: September 1, 2017
You may be able to clear the error by restarting the meter. Follow these steps to restart safely:
  1. Unplug the power cord.
  2. Wait one to three minutes.
  3. Plug the power cord back in, ensuring that it is plugged directly into a wall outlet.
If the issue is not resolved, contact client support. Please have your model number ready.