Always wipe the beam of your caliper with a dry cloth before starting a measuring session.
Remove the screws on the back of the sliding unit.
Reinsert the battery and hold the button down to reinitialize. When to Seek Professional Calibration or Repair
Look closely inside the cable connector head. Are any pins bent, pushed back, or broken? mitutoyo caliper error code e--05
: Dust, lint, moisture, or cutting oil on the main beam blocks the inductive or capacitive sensor from reading the scale underneath.
If the display resets to 0.00 , the error is cleared. If "E--05" persists, move to the next step. Step 2: Replace the Battery with a Quality Unit Digital calipers are highly sensitive to voltage stability. Remove the battery cover and take out the old battery.
Error E--05 on a Mitutoyo Absolute caliper is not a fatal failure; in most cases, it is resolved by thorough cleaning of the capacitive scale and a full power reset. Persistent E--05 after these steps suggests a hardware fault in the flexible interconnect or main electronics, requiring professional repair. Operators should treat E--05 as a rather than a measurement error, and cease use until resolved to prevent incorrect dimensional data. Always wipe the beam of your caliper with
Even if you own an IP67-rated coolant-proof Mitutoyo caliper, extreme exposure to pressurized coolant, deep submersion, or sudden temperature drops can cause internal condensation. Moisture directly on the internal circuit board will short out the sensor lines, leading to an immediate E--05 shutdown. Step-by-Step Troubleshooting and Solutions
Follow these troubleshooting steps in order to diagnose and fix the E--05 error. Step 1: Perform a Hard Power Reset
From time to time, a random power-on glitch can load the internal counter with a nonsensical number. This is a purely electrical issue that can often be resolved with a power cycle or a more thorough discharge. When to Seek Professional Calibration or Repair Look
: A weak battery (SR44) can cause the internal processor to glitch, leading to the E--05 code.
If you have cleaned the caliper, replaced the battery with a fresh SR44, blown out the debris, and the E--05 code still won't disappear, you may be dealing with a deeper mechanical or electronic failure.
The sensor housing is no longer at the correct distance from the scale.
The typically indicates a communication or counter failure, often triggered by a low battery , contaminated scale , or overspeed movement . For many users, this error appears as flashing dashes or a frozen display, signaling that the digital sensor cannot accurately track the slider's position. Understanding Error E--05