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Chapter 5
5.2 Confirming the status
■Frequently asked questions – FAQ (simplified edition)
Details of display
(A)
(B)
(D)
(E)
(A) Main operation status
Display
Description
RUN
While in forward operation.
FW
RUN
While in reverse operation.
RV
RUN
While output operation is 0Hz. Even
0Hz
for DB, FOC and SON functions.
TRIP
Displays the trip status.
When a conflict in the setting
WARN
happens.
Even if there is an operation running,
if and obligatory stop is issued is
displayed:
・In an operation that is not from the
STOP
panel, but is stopped with the
(red)
panel.
・In a non-stop operation.
・An operation is stopped with a
terminal function.
While stopped, in absence of RUN
STOP
command or if frequency reference is
(white)
0Hz.
(Tips)
・If STOP(in red),
⇒Displayed in (F): if the reference frequency it is 0.00Hz, make
sure that the frequency reference has been inputted.
⇒For example; if it is being driven by the [FW] terminal, and
then stopped with the stop key, it will not start again the
operation unless the [FW] terminal turns off and on again
(re-arm).
⇒When [RS, [FRS] or STO terminals are in ON state it won't
operate.
<b>
<a>
<c>
<d>
<h>
<g>
<f>
<e>
(C)
(F)
(G)
(B) Warning status
No.
Display
While:
・Overload restriction.
・Torque limiting.
1
LIM
・Overcurrent suppression.
・Overvoltage suppression.
If displays the following functions:
・Overload warning.
・Motor thermal warning.
2
ALT
・Inverter thermal warning.
・Motor heat warning.
While waiting for retry or restart
3
RETRY
functions.
While inverter is in a state unfit to
operate, even if a RUN command is
issued.
・Main power undervoltage.
4
NRDY
・Operating only with 24V supply.
・Resetting.
・[REN] terminal is enabled and OFF.
5
FAN
Cooling-fan life warning is issued.
6
C
Capacitor life warning is issued.
When both Capacitor and Cooling-fan
7
F/C
life warnings are issued.
Different statuses from those shown
8
(None)
above.
(Tips)
・LIM and ALT are indicated when current and internal voltage
has risen. Review things such as the load if this error happens
too often.
・Cooling-fan and smoothing capacitor lifespan and end of life is
decided is showed the above.
(E) Panel's RUN key function
No.
Display
Forward operation from panel's RUN
1
oFW
key.
Reverse operation from panel's RUN
2
oRV
key.
3
>FW
Forced forward operation.
4
>RV
Forced reverse operation.
5
(None)
Different operation (other than RUN).
(Tips)
・If in the panel RUN key is activated, is displayed.
・Review AA111 if is not displayed and want to use the panel for
RUN operation.
5-3
Troubleshooting
Description
Description
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