According to Mitutoyo’s official technical documentation (specifically for the Absolute Digimatic series, including models 500-196, 500-197, 500-752, and similar), indicates a "Maximum Response Speed Exceeded" or a "Scale Signal Error."
By locking up and showing , Mitutoyo forces you to reset the tool, ensuring you never trust a reading that the electronics know might be wrong.
However, even the best tools can encounter issues. If you are reading this, you have likely glanced down at your Mitutoyo digital caliper’s LCD screen, expecting a precise measurement, only to see a blinking or steady message: .
If the error persists after following this guide, you have likely saved hours of confusion and can confidently send the unit to an authorized Mitutoyo repair center – or invest in an upgrade. Happy measuring.
