Mitsubishi QD75P1N User Manual page 668

15 TROUBLESHOOTING
Classification Error
of errors code
803 PLC CPU error
I/F
Dedicated instruction
804
error
Flash ROM write
805
number error
Dedicated instruction
806
I/F error
Error name
The CPU module resulted in an
error.
• The Z.ABRST
executed with the status set to
other than 0 (at the start of
communication with the servo-
amplifier).
• The status of the Z.ABRST
instruction is changed during
absolute position restoration
(during communication with the
servo-amplifier).
• The ZP.PSTRT
executed with the start No. set to
other than 1 to 600, 7000 to 7004
and 9001 to 9004.
• The ZP.TEACH
executed with the teaching data
selection set to other than 0 and 1.
• The ZP.TEACH
executed with the positioning data
No. set to other than 1 to 600.
• The instruction of a non-existent
axis is specified by the Z.ABRST ,
ZP.PSTRT
instruction.
Data is written to the flash ROM
continuously 25 times or more from
the sequence program.
Mismatching occurs between the
CPU module and QD75.
Error
At start: The system will not operate.
During operation:
(Note that the deceleration stop only
occurs during the manual pulse
generator operation.)
instruction is
instruction is
The function corresponding to the
instruction is not executed.
instruction is
instruction is
or ZP.TEACH
At start: The system will not operate.
15 - 30
MELSEC-Q
Operation status at error occurrence
The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2 sudden
stop selection
(stop group 2).