Yaskawa FS100 Error 1840: M-SAFETY 3.3V LOW VOLTAGE

Yaskawa FS100 · taken from the manufacturer’s manual, pages cited

Alarm code1840

The machine safety board is reporting low voltage on its 3.3V supply. The manual's first action is: “(1)Turn the power OFF then back ON. (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe.”

Model
Yaskawa FS100
Display shows
M-SAFETY 3.3V LOW VOLTAGE (1840)
Type
Alarm code
Source
Manual p. 153

What 1840 means

M-SAFETY 3.3V LOW VOLTAGE p. 153

Common causes

  • Machine safety board failure p. 153

What to do

  1. (1)Turn the power OFF then back ON. (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe. p. 153

If 1840 is still not resolved

  • (1)Turn the power OFF then back ON. (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe. p. 153
    “(1)Turn the power OFF then back ON. (2)If the alarm occurs again, replace controller. Save the CMOS.BIN before replace controller to be safe.”
Open the manual at page 153 All FS100 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 1840; 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 Yaskawa. Found a mistake? Report an error.