If you have tried all the steps above and the error persists, you may have a hardware failure.
Troubleshooting usually starts with simple cleaning and resets before moving to more invasive mechanical repairs. E--05 error on a Digimatic caliper? - Practical Machinist mitutoyo caliper error code e05 link
For official service documentation, spare parts, or repair authorization, visit: If you have tried all the steps above
If the reset doesn't work, you likely have debris on the scale. or repair authorization