Mitsubishi GX Configurator-PT, User Manual

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13 - 13 13 - 13
MELSEC-Q
13 TROUBLESHOOTING
13.4 LED display function
The states of QD70 and each axis control can be confirmed by the LEDs located on
the front panel of the QD70 main module.
QD70P8
RUN
ERR.
AX6
AX5
AX8
AX7
AX2
AX1
AX4
AX3
Each axis can be monitored by the states of the LEDs.
The operation and indications of the LEDs are as shown below.
Details of indication
Goes OFF
Goes ON
Flashes
Points to be confirmed Error Remedy
RUN AX5 AX1
AX6 AX2
AX7 AX3
ERR. AX8 AX4
Extinguishment of
RUN LED
(The states of ERR.
and AX1 to AX8 are
undefined)
The hardware is
faulty.
If the RUN LED does not light up even when the
power is turned ON, the module may be out of
order. Replace the module with a new one.
RUN AX5 AX1
AX6 AX2
AX7 AX3
ERR. AX8 AX4
Lighting of RUN LED,
Extinguishment of
ERR LED
The module is
normal.
—
RUN AX5 AX1
AX6 AX2
AX7 AX3
ERR. AX8 AX4
Lighting of ERR LED System error
An operation condition setting error or installation
PLC CPU type error occurs.
(The setting and PLC CPU type are outside the
specification range.) Set the PLC CPU type to a
one contained in the specification.
RUN AX5 AX1
AX6 AX2
AX7 AX3
ERR. AX8 AX4
Extinguishment of AX1
to AX8 LEDs During axis stop,
during axis standby
—
RUN AX5 AX1
AX6 AX2
AX7 AX3
ERR. AX8 AX4
Lighting of AX1 (Same
even if the other axis
is lit)
During axis
operation
This lights up from the positioning control start
until the positioning control is completed, stopped
temporarily, or stopped by error (corresponding at
a ratio of 1 : 1 to BUSY signals).
RUN AX5 AX1
AX6 AX2
AX7 AX3
ERR. AX8 AX4
Flashing of ERR LED
Flashing of AX1 LED
(Same even if the
other axis flashes)
Axis error
Check the error observed on the GX
Configurator-PT, or the buffer memory batch
processing monitor of the GX Developer and
correct the applicable parameters and positioning
data.