Mitutoyo Caliper Error Code E--05

Did the error start , like a drop or exposure to coolant?

On the slider’s back, locate the thin flexible circuit entering the housing. Look for creases, cuts, or corrosion at the solder points.

Dust, oil, or "crustiness" has built up on the sensor track, blocking the signal. mitutoyo caliper error code e--05

Are you currently using an battery or an LR44 alkaline battery? Share public link

Inspect the hardware connecting your caliper to your computer or SPC data system. Did the error start , like a drop or exposure to coolant

A: No. Calibration verifies accuracy. E--05 means the caliper cannot find its position. You must clear the error before you can calibrate or use the tool.

If you work constantly around heavy liquids or coolant, ensure you are using a Mitutoyo Coolant-Proof (IP67) model rather than a standard model. When to Seek Professional Repair Dust, oil, or "crustiness" has built up on

If dust is trapped directly underneath the read head inside the slider housing, a simple surface wipe won't reach it. Open the caliper jaws slightly. Cut a thin, clean strip of standard printer paper.

Mitutoyo calipers are not 100% sealed. If you measure parts fresh off a lathe with cutting oil, or if you work around grinding dust, particles can migrate under the slider.