Mitsubishi Electric 600M Series Error SY0025: SV commu er sum: CRC er/rcv incmp

CNC milling machine · taken from the manufacturer’s manual, pages cited

Error codeSY0025

Communication errors have occurred between the NC and amplifier, likely due to CRC checksum failures. The manual's first action is: “Check whether there is any abnormality in the following : Cable (Are there any broken wires?), Cable shield ground, Connector connections, Mounting state of the amplifier. Contact the nearest service center.”

Model
Mitsubishi Electric 600M Series
Display shows
SV commu er sum: CRC er/rcv incmp (SY0025)
Type
Error code
Source
Manual p. 466

What SY0025 means

SV commu er sum: CRC er/rcv incmp p. 466

Common causes

  • There is an error in the communication between the NC and amplifier. p. 466

What to do

  1. Check whether there is any abnormality in the following : Cable (Are there any broken wires?), Cable shield ground, Connector connections, Mounting state of the amplifier. Contact the nearest service center. p. 466

Before you service the product, read the safety instructions in the manual p. 4.

If SY0025 is still not resolved

  • contact service / dealer p. 5
    “Do not change the fixed cycle program without prior consent from the machine manufacturer.”
  • contact service / dealer p. 5
    “Do not turn OFF the NC a”

This page summarises what the manufacturer’s manual says about SY0025; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Mitsubishi Electric. Found a mistake? Report an error.