Follow these steps in order to attempt to resolve the error.
If you have tried resetting the battery, cleaned the ports, replaced the cable, and the error code still flashes continuously, the issue likely points to an internal circuit board failure or a blown component on the main PCB.
Carefully tighten them if the slider feels wobbly, ensuring it can still move smoothly without binding. How to Prevent Future Errors mitutoyo caliper error code e--05
If the unit is under warranty, contact Mitutoyo or your authorized distributor for a warranty replacement. If it is an older unit, repair is generally not cost-effective for standard 6-inch calipers; however, for larger calipers (12-inch +) or specialized units, sending it to an authorized Mitutoyo Service Center is the recommended course of action.
On Mitutoyo Digimatic instruments, the code is often interpreted as an overspeed error or missing scan data . Follow these steps in order to attempt to resolve the error
The good news: Mitutoyo’s build quality is such that E--05 usually only appears after years of heavy use or a specific contamination event. When you see it, stay calm, grab some alcohol and a fresh battery, and work through the steps above. If all else fails, consider it a sign that your trusted caliper has earned an honorable retirement.
The best way to avoid future E--05 errors is to keep your caliper clean, dry, and well-maintained. For those who frequently work with coolants or in wet environments, consider upgrading to a model (IP66 or IP67 rated), which is specifically designed to withstand such conditions and is less prone to these errors. How to Prevent Future Errors If the unit
When the error appears while the slider is stationary and persists after all troubleshooting steps, it indicates a hardware failure. As one official Mitutoyo manual states, "If the error appears while the slider is stationary, the sensor might be defective".