Mitsubishi MELESEC-ST User Manual page 141

12 TROUBLESHOOTING
Error code
Error level
(Hexadecimal)
0001 System error
H
0002 Warning
H
0100H Warning
Error code
Error level
(Hexadecimal)
0001 System error
H
0100 Warning
H
0200H Warning
0300H Warning
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(2) Error code lists
(a) I/O module error codes
Description
Hardware fault
Fuse blown
Protective function
activated
(b) Power distribution module error codes
Description
Hardware fault
SYS. input 24VDC
voltage low
AUX. input 24VDC
voltage low
24VDC input
voltage low
Corrective action
Please contact your local Mitsubishi service
center or representative, explaining a detailed
description of the problem.
After checking the module, whose ERR. LED is
on, for the following conditions, please contact
your local Mitsubishi service center or
representative, explaining a detailed description
of the problem.
• Load higher than the rated current
• External wiring problem
Check the module, whose ERR. LED is
flickering, for the following conditions.
• Load higher than the rated current
• External wiring problem
Corrective action
Please contact your local Mitsubishi service
center or representative, explaining a detailed
description of the problem.
Check the module, whose ERR. LED is
flickering, for the following conditions.
• Load higher than the rated current
• External wiring problem
The SYS. input 24VDC voltage is low and the
AUX. input 24VDC voltage is low.
Check the module, whose ERR. LED is
flickering, for the following conditions.
• Load higher than the rated current
• External wiring problem
MELSEC-ST
Target module
All modules
ST1Y -TE2
ST1Y -TPE3
Target module
All modules
ST1PSD
All modules
ST1PSD
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