Mitsubishi Electric MELSEC Q Series Reference Manual page 157

(3) Executing the hardware test
Powering OFF and ON or resetting the CPU
module starts the test.
During test execution
The MODE LED flashes, and each of the
LEDs turns ON and OFF in order (1
1 ).
S
1 1
1
T.
N
2
2
O.
4
4
8 8
X100 10 1
Test completion
The D LINK LED turns ON.
When completed normally
The MODE LED flashes, and 1, 2, 4 and 8
LEDs turn OFF.
S 1 1 1
T.
N
2 2
O.
4 4
8 8
X100 10 1
The MODE LED flashes, and the ERR.LED and
any one of 1, 2, 4 and 8
S
1 1 1
T.
N
2 2
O.
4 4
8 8
X100 10 1
Test result?
Start
*1
1
2 4 8
RUN PRM
MODE D LINK
SD RD
ERR.
1
RUN PRM
MODE D LINK
SD RD
ERR.
When failed
1 LEDs turn ON.
RUN PRM
MODE D LINK
SD RD
ERR.
When failed
When completed normally
*2
The CC-Link IE Controller Network module
End
hardware may be faulty. Please consult your local
Mitsubishi representative.
CHAPTER 5 PREPARATION AND SETUP
5
155