LS ELECTRIC LSLV-H100 Series, User Manual

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Troubleshooting
9.3 Troubleshooting 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.
Type 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
level.
The load is too high. Operate the motor independently.
An emergency stop signal is input. Reset the emergency stop signal.
The wiring for the control circuit
terminal is incorrect. Check the wiring for the control
circuit terminal.
The input option for the frequency
command is incorrect. Check the input option for the
frequency command.
The input voltage or current for the
frequency command is incorrect. Check the input voltage or current
for the frequency command.