Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 435

8 TROUBLESHOOTING
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(2) When the network module: function version B and the GX
Developer: prior to SW5D5C-GPPW are combined
The following details will be displayed for each item.
1) Actual LED1 information
Displays the illumination status of LEDs actually mounted onto the network
module.
b15 b8 b7
All "0"
2) LED1 information
Displays information for illuminated LEDs on the network module. The
following details are displayed.
(Refer to section 8.4 (1) for details of the information for all LEDs.)
b15
DATA
UNDER
LOOP
0 (Fixed)
b0
RUN
T.PASS
SD
ERR.
MNG
D.LINK
RD
1: Illuminated
0: Extinguished
L ERR.
b8 b7 b0
0 (Fixed)
PC
REMOTE
DUAL
SW.E.
M/S.E.
PRM.E.
CRC
OVER
AB.IF.
TIME
1: Illuminated
0: Extinguished
MELSEC-Q
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