Error Messages Generated By The Drive - ABB MicroFlex e190 User Manual

202 Appendix: Safe Torque Off (STO)

Error messages generated by the drive

When an error occurs, the drive displays the error
code on its front panel 7 segment display. The symbol
E is displayed, followed by the digits of the error code
in sequence.

For example, error code 10033 is displayed as
E....1..0..0..3..3. 

Additionally, the right decimal point is illuminated for
any STO error.
STO error

The STO errors are listed in the following table.
Note: The STO function is activated when one or both of the safety circuit contacts
open. If the period between both contacts opening or closing exceeds a predefined
value (defined by the STOINPUTMISMATCHTIME Mint keyword) a fault in the safety
circuit or wiring is assumed and an error is reported. The maximum allowed cable
length between the drive and the activation switch is 30 m (98 ft).