Mitsubishi Electric 600M Series Error SYW0073: No dial tone

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

Error codeSYW0073

No dial tone occurs when the phone line is not connected to an analog modem during a dialing attempt. The manual's first action is: “Connect the phone line.”

Model
Mitsubishi Electric 600M Series
Display shows
No dial tone (SYW0073)
Type
Error code
Source
Manual p. 497

What SYW0073 means

No dial tone p. 497

Common causes

  • When dialing, the phone line was not connected with an analog modem. p. 497

What to do

  1. Connect the phone line. p. 497

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

If SYW0073 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”
Open the manual at page 497 All 600M Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about SYW0073; 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.