LG Electronics SV-iC5 Series Power Supply User Manual


 
13. Troubleshooting & Maintenance
13-2 SV-iC5
Keypad
display
Protective
functions
Descriptions
Inverter
hardware fault
This fault message is displayed when an error occurs in the control circuitry of the
inverter.
Communication
Error
This fault message is displayed when the inverter cannot communicate with the keypad.
Cooling fan
fault
This fault message is displayed when a fault condition occurs in the inverter cooling fan.
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).