Chapter 33 Error Code List; Error Codes For Self-Diagnostics - Mitsubishi Electric MELSEC iQ-R Series User Manual

33
ERROR CODE LIST
This chapter shows the error code lists of this product.
33.1

Error Codes for Self-diagnostics

The following table shows the error codes detected by self-diagnostics.
Error Error name
code
1000H Power shutoff
1080H ROM write count error
1090H Battery error
112EH Connection
establishment failed
1165H UDP/IP send failed
1166H TCP/IP send failed
Error details and cause
• A momentary power failure has
occurred.
• The power supply has been shut off.
• The number of writes to the flash
ROM (data memory, program
memory, and system memory)
exceeded 10,000 times.
(Number of writes > 10,000)
• The voltage of the battery built in the
CPU module has dropped below the
specified value.
• The connector of the battery built in
the CPU module is disconnected.
• The connector of the battery built in
the CPU module is not securely
connected.
• A connection could not be established
in the open processing.
• Connection requests more than the
number of set connections are sent to
the same port from multiple target
devices with different IP addresses.
• Data was not sent correctly with UDP/
IP.
• Data was not sent correctly with TCP/
IP.
Corrective action
• Check the power supply status.
• Replace the CPU module.
• Replace the battery.
• Check the connection status of the
battery connector. If it is loose,
securely connect the connector.
• Check the operation of the external
device.
• Check if the open processing has
been performed in the external
device.
• Review the port number of the
module, IP address/port number of
the external device, opening method,
and number of connections.
• Check the number of connections in
the external device configuration
setting of module parameters.
• When the firewall is set in the external
device, check if the access is
permitted.
• Check if the Ethernet cable is
disconnected.
• Check the settings for connection with
the external device.
• Check the operation of the external
device or switching hub.
• Since there may be congestion of
packets on the line, send data after a
certain period of time.
• Check if the connection cable is
disconnected.
• Check that there is no connection
failure with the switching hub.
• Check the settings for connection with
the external device.
• Check the operation of the external
device or switching hub.
• Since there may be congestion of
packets on the line, send data after a
certain period of time.
• Check if the connection cable is
disconnected.
• Check that there is no connection
failure with the switching hub.
33.1 Error Codes for Self-diagnostics
Stop/ Diagnostic
continue timing
Continue Always
Continue Power-on,
hardware
reset, bus
reset
At write
Continue At interrupt
occurrence
Continue Always
Continue Always
Continue Always
33 ERROR CODE LIST
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