Mitsubishi Q01CPU User Manual page 487

Melsec-q series, qcpu
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12
TROUBLESHOOTING
Error
Code
Error Contents and Cause
(SD0)
The instruction cannot process the
contained data.
Access error of ATA card occurs by
4100
FREAD/FWRITE instructions.
The file being accessed by other
functions with FWRITE instruction was
accessed.
*3
The module whose first 5 digits of serial No. is 04012 or later.
*4
The module whose first 5 digits of serial No. is 07012 or later.
*5
The module whose first 5 digits of serial No. is 07032 or later.
*6
The module whose first 5 digits of serial No. is 09012 or later.
*7
The Universal model QCPU except the Q02UCPU.
*8
This applies to the QnUDE(H)CPU.
Corrective Action
Read the common information of the
error using the peripheral device, check
error step corresponding to its
numerical value (program error
location), and correct the problem.
• Take measurements against noise.
• Reset and restart the CPU module.
When the same error is displayed
again, the ATA card has hardware
failure.
(Please consult your local Mitsubishi
service center or representative,
explaining a detailed description of
the problem.)
• Stop the file accessed with other
functions to execute FWRITE
instruction.
• Stop the access with othrer functions
and the FWRITE instructuion to
execute at same time.
12.3 Error Code List
12.3.6 Error code list (4000 to 4999)
9
Corresponding
CPU
10
Rem
Qn(H)
11
QnPH
QnPRH
12
*8
QnU
12
- 163

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