LSIS 6731001500, User Manual

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569
Troubleshooting
Type Cause Remedy
There is a fault with the internal
temperature sensor. Contact the retailer or the LSIS customer
service center.
Fan Lock
/ In 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 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