Error Code: 12A6, How to resolve on the DM500, DM800i and more

Products affected: DM400™, DM500™, DM550™, DM800™, DM800i™, DM900™, DM1000™, and DM1100™


The meter displays error code 12A6 and will not run in wow mode.


  • Pieces of paper are stuck in the Weigh on the Weigh area
  • The mail piece too thick was attempted to be fed through the machine
  • Pressure being applied on the cover or "skis" while feeding mail in Weigh on the Weigh (WOW) mode
  • Machine was moved and now is not level or on an unstable table. When moved, the machine has to be tested and re-calibrated by a field technician


If paper pieces were found or if pressure being applied on the machine while in operation, the error can be cleared and tested as a success.
  1. Turn the power off with the power switch, located on the left side of the equipment; wait for the display to turn off
  2. Lift transport lever and check for pieces of paper or debris
  3. Using a can of non-flammable compressed air and working from the left side of the machine to the exit, blow onto the feed deck that the envelopes travel on
  4. Lock transport lever back in place
  5. Leave machine Off for one minute to clear the error then turn the power switch back on
If your issue is not resolved, contact customer support from 8 am to 8 pm Eastern Time. Have your model number ready.

UPDATED: June 12, 2015