Mitsubishi Electric Melsec-Q172DCPU User Manual page 63

2 SYSTEM CONFIGURATION
Item
STOP
RUN
Early stage warning
(2.7V or less)
Battery
error
Final stage warning
(2.5V or less)
Operating system software
not installed
System setting error
Servo error
WDT error
Self-diagnostic error
(Error related for Multiple CPU)
7-segment LED
POINTS
(1) An error is displayed at the 7-segment LED, confirm the error code etc. using
MT Developer2.
(2) Refer to the Motion CPU error batch monitor of MT Developer2 or error list of
Programming Manual for error details.
Stopped the Motion SFC program (SV13/SV22)/
Steady "STP" display Motion program (SV43) with the PLC READY flag
(M2000) OFF.
Executed the Motion SFC program (SV13/SV22)/
Steady "RUN" display Motion program (SV43) with the PLC READY flag
(M2000) ON.
Displayed at battery voltage 2.7V or less.
Steady "BT1" display
Refer to Section "6.5 Battery".
Displayed at battery voltage 2.5V or less.
Steady "BT2" display
Refer to Section "6.5 Battery".
It becomes the status of installation mode when
"A00" remains flashing
the operating system software is not installed.
System setting error of the Motion CPU
" AL" flashes 3 times
Refer to the "Q173D(S)CPU/Q172D(S)CPU
Motion controller Programming Manual
Steady " L01" display
(COMMON)" for details.
" AL" flashes 3 times Servo error of the Motion CPU
Refer to the Programming Manual of the
Steady " S01" display operating system software used for details.
Hardware fault or software fault
Steady "..." display Refer to the Programming Manual of the
operating system software used for details.
" AL" flashes 3 times
Steady " A1" display
(Self-diagnosis error) Setting error of the Multiple CPU system
Refer to the "Q173D(S)CPU/Q172D(S)CPU
4-digits error code is Motion controller Programming Manual
displayed in two (COMMON)" for details.
sequential flashes of 2-
digits each.
(ex. error code [3012])
2 - 30
Remark