Led Indications When Errors Occur At The Pcpu - Mitsubishi Electric A173UHCPU Programming Manual

APPENDICES
2.6

LED Indications when Errors Occur at the PCPU

A173UHCPU
(S1) LED
A273UHCPU Front LED
Indication
Indication
! ! ! ! :On
" " " " :Off
L A Y E R R O R ( S L
!
(Note) Base No. + slot No.
! A X I S N O M U L T I D
! A M P N O S E T T I N G

P W N O S E T T I N G
! S Y S . S E T D A T A
! A X I S N O . E R R O R
! I / O P O I N T S
A M P T Y P E E R R O R
!
A D U E R R O R ( S L

(Note) Base No. + slot No.
For servo
error
!
S V . E R R O R
Servo error code Axis No.
E (**) indicates that the code
is common to all axes.
For warning
"
When the errors listed below occur, they are indicated by the "ERROR" LED on the
front panel of the CPU module. The error message can be read on the error list
monitor screen of the peripheral device.
For details on the operating procedure, refer to the operating manual for the
peripheral device.
Table 2.15 LED Indications When Errors Occur at PCPU
Error Cause
• The slot set in "system settings"
)
contains no or different module.
• There are overlapping axis
number settings in "system
E F
settings".
• Not one axis number is set in
"system settings".
• When the ADU axis is set in
"system settings", the servo
power supply module (A230P) is
not set.
• "System settings data" is not
written.
• "System settings data" was
E R R
written without relative check, or
was written with an error found in
relative check.
• Memory cassette battery is dead.
• The axis number set in "system
settings" is more than the number
of control axis.
• The total I/O points of the PLC
I/O modules set to the motion
O V E R
slots in "system settings" are
more than 256 points.
• The amplifier type (MR-H-BN/MR-
J2-B/MR-J2S-B) set in "system
Axis No.
settings" differs from the actual
(01 to 32)
amplifier type (MR-H-BN/MR-J2-
B/MR-J2S-B)
)
• ADU hardware fault.
( )
• Servo error or warning
(01 to 32)
occurrence
Operation when
Error Check Timing
Error Occurs
• Start is disabled.
At power-on
At reset with reset
key
• Only the
corresponding axis
At power-on of servo
is not put in servo
amplifier
ON status and
cannot be started.
• The corresponding
ADU axis cannot
At power-on
be placed in servo
(At reset with reset
ON status.
key)
• For the MR-H-BN
/MR-J2S-B axis,
only that axis is
put in servo OFF
status.
• For the ADU axis,
Any time processing is
performed in
accordance with
the setting of "ADU
servo error
processing".
APP − 36
Error Set Device Corrective Action
• System setting • Match "system
error flag (M2041) settings" with the
ON actual module and
reset with the reset
key.
• Servo error • Change the ADU.
detection flag
(M2408+20n) ON
• Servo error code
device (D08+20n)
set
• Servo error • Remove the error
detection flag cause and reset
(M2408+20n) ON the servo error. If
• Servo error code
the servos of all
device (D08+20n) axes return to
set normal after servo
error reset, the
LED indication
goes off.