LG C Series - Manual (Page 118)

Chapter 13. Troubleshooting & Maintenance
Used for the emergency stop of the inverter. The inverter instantly turns off the output
when the EST terminal is turned on.
Instant cut off CAUTION:
The inverter starts to regular operation when turning off the Est terminal while
FX or RX terminal is ON.
External fault A
contact input
When multi-function input terminal (I20-I24) is set to 19 {External fault signal input: A
(Normal Open Contact)}, the inverter turns off the output.
External fault B
contact input
When multi-function input terminal (I20-I24) is set to 19 {External fault signal input: B
(Normal Close Contact)}, the inverter turns off the output.
Operating
method when
the frequency
command is
lost When inverter operation is set via Analog input (0-10V or 0-20mA input) or option
(RS485) and no signal is applied, operation is done according to the method set in
I62 (Operating method when the frequency reference is lost).
118