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12 Troubleshooting
High-function General-purpose Inverter RX2 Series User’s Manual
12-4 Troubleshooting
12
Occurrence Estimated cause(s) Exemplar measures to be taken
The motor doesn’t
rotate although an
operation com-
mand was entered.
The inverter is tripping.
• When the inverter trips due to an error, you need to
remove the error factor and reset the inverter.
•See 12-2 Error No. and Its Measure on page 12-5 in
this chapter.
A warning is issued.
• If a warning is issued, you need to eliminate the data
inconsistency.
•See 12-3-2 Checking Inconsistent Settings on page
12-29 in this chapter.
The operation command isn’t
entered.
The operation command destination may be wrong, or
the operation command may not be accepted. Pro-
ceed to Operation command destination or operation
command is wrong.
The frequency command destina-
tion isn’t entered.
The frequency command destination may be wrong, or
the frequency command may be 0. Proceed to Fre-
quency command destination or frequency command
is wrong.
A shutoff function is at work.
The function safety terminal, terminal function [RS], or
[FRS] terminal may be enabled, or [ROK] terminal may
be disabled. Proceed to A shutoff function is at work.
A limit function is at work.
The command direction may be limited by the rotation
direction limit function. Proceed to A limit function is
at work.
Motor is locked.
If the motor shaft is locked by something which hinders
the brake or the motor revolution (e.g., clogging), the
cause needs to be removed.
Wiring or the like is disconnected.
Check for abnormalities such as disconnection of the
output line to the motor or disconnection within the
motor.
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