: If cleaning the exterior doesn't work, there may be debris inside the reader head.
: If the error persists, remove the battery and wait for approximately 30 seconds. Shorting the battery contacts with a piece of metal for a few seconds can help discharge any residual power to fully reset the internal counter. mitutoyo caliper error code e--05
: If the reading unit is physically damaged, the entire display assembly can be replaced using a small Phillips screwdriver, though this is often costly. E--05 error on a Digimatic caliper? - Practical Machinist : If cleaning the exterior doesn't work, there
Dropping the caliper can shift the internal encoder. If the error persists after cleaning and a battery swap, internal parts may be misaligned. internal parts may be misaligned.