Mitsubishi Electric MELSEC L Series User Manual page 99

(1) Error codes (1 to 10000)
The following table lists the error messages, error conditions, causes, and actions of the error codes (1 to 10000).
The "Supplementary information" in the "Error and cause" column can be checked by any of the following.
• PLC diagnostics in GX Works2
• Error common information (SD5 to SD15)
• Error individual information (SD16 to SD26)
Error
code
1000
1001
[HEAD UNIT DOWN]
The head module is running away or faulty.
1002
• Malfunction due to noise
1003
• Hardware failure
1004 ■Supplementary information
• Common information: -
1005
• Individual information: -
1006
■Diagnostic timing
• Any time
1009
1035
[HEAD UNIT DOWN]
The head module is running away or faulty.
• Malfunction due to noise
• Hardware failure
1090 ■Supplementary information
• Common information: -
• Individual information: Breakdown information
■Diagnostic timing
• Any time
[RAM ERROR]
1101
The RAM built in the head module is faulty.
■Supplementary information
1102
• Common information: -
1103 • Individual information: -
■Diagnostic timing
1104
• When powered on or reset
[RAM ERROR]
The data in the device memory built in the head module were
overwritten.
■Supplementary information
1161
• Common information: -
• Individual information: -
■Diagnostic timing
• Any time
[I/O INT. ERROR]
An interrupt occurred even though there is no module that can
issue an interrupt.
■Supplementary information
1310
• Common information: -
• Individual information: -
■Diagnostic timing
• When an interrupt occurred
[I/O INT. ERROR]
An interrupt request from a module installed with the head
module was detected.
■Supplementary information
1311
• Common information: -
• Individual information: -
■Diagnostic timing
• When an interrupt occurred
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Error and cause
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Take measures to reduce noise, and reset the module.
If the the same error code is displayed again, the possible cause is a hardware
failure of the head module. (Please consult your local Mitsubishi representative.)
Take measures to reduce noise, and reset the module.
If the the same error code is displayed again, the possible cause is a hardware
failure of the head module. (Please consult your local Mitsubishi representative.)
Take measures to reduce noise, and reset the module.
If the the same error code is displayed again, the possible cause is a hardware
failure of the head module. (Please consult your local Mitsubishi representative.)
Take measures to reduce noise, and reset the module.
If the the same error code is displayed again, the possible cause is a hardware
failure of the head module. (Please consult your local Mitsubishi representative.)
The hardware of any of the installed modules may have failed. Check the
modules, and replace the faulty module. (Please consult your local Mitsubishi
representative.)
The hardware of any of the installed modules may have failed. Check the
modules, and replace the faulty module. (Please consult your local Mitsubishi
representative.)
CHAPTER 11 TROUBLESHOOTING
Action
11
97