LSIS G100 User Manual

Items
Cause
Remedy
OC2
Output wiring is short-circuited.
Check the output wiring.
There is a fault with the electronic
semiconductor (IGBT).
Do not operate the inverter. Contact
the retailer or the LSIS customer
service center.
A ground fault has occurred in the
inverter output wiring.
Check the output wiring.
The motor insulation is damaged.
Replace the motor.
NTC
The ambient temperature is too low.
Keep the ambient temperature
above –10℃.
There is a fault with the internal
temperature sensor.
Contact the retailer or the LSIS
customer service center.
FAN
A foreign object is obstructing the
fan’s air vent.
Remove the foreign object from the
air inlet or outlet.
The cooling fan needs to be replaced.
Replace the cooling fan.
9.3 Other Faults
When a fault other than those identified as fault trips or warnings occurs, refer to the
following table for possible causes and remedies.
Items
Cause
Remedy
Parameters
cannot be set.
The inverter is in operation (driving
mode).
Stop the inverter to change to
program mode and set the
parameter.
The parameter access is incorrect.
Check the correct parameter
access level and set the
parameter.
The password is incorrect.
Check the password, disable the
parameter lock and set the
parameter.
Low voltage is detected.
Check the power input to resolve
the low voltage and set the
parameter.
The motor
does not
rotate.
The frequency command source is
set incorrectly.
Check the frequency command
source setting.
The operation command source is
set incorrectly.
Check the operation command
source setting.
Power is not supplied to the terminal
R/S/T.
Check the terminal connections
R/S/T and U/V/W.
The charge lamp is turned off.
Turn on the inverter.
The operation command is off.
Turn on the operation command
(RUN).
The motor is locked.
Unlock the motor or lower the load

LSIS G100 Specifications

General

Brand	LSIS
Model	G100
Category	Inverter Drive
Language	English