Here is a simple guide on how to use Hitachi MPDr diagnostic software to change muffler filter number.
ASH reset is not required.
After connection,run MPDr software and select “Function”
The serial number of muffler filter will be displayed.
If you want to change the number, enter new number and click the [Set] button.
If you do not want to change the number, click the [Back]Return button.