Mitsubishi Electric MELSEC iQ-R Series User Manual page 126

Error Error details and causes
code
2450H • A major error notification from the RJ71EIP91 has
been detected.
• The I/O module or RJ71EIP91 is not mounted
properly or was removed during operation.
24C0H to An error was detected on the system bus.
24C1H
24C2H • The I/O module or RJ71EIP91 is not mounted
properly or was removed during operation.
• An error was detected on the system bus.
24C3H An error was detected on the system bus.
24C4H An error was detected on the system bus.
24C5H An error was detected on the system bus.
24C6H An error was detected on the system bus.
24C8H An error was detected on the system bus.
5 TROUBLESHOOTING
124
5.6 List of Error Codes
Action
• Take measures to reduce noise.
• Check the connection status of the extension cable.
• Check the detailed information (system
configuration information) by executing module
diagnostics using the engineering tool, and check
the module corresponding to the displayed slot
number.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the module on which the error occurred.
Please consult your local Mitsubishi representative.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the CPU module, I/O module, RJ71EIP91,
base unit, or extension cable. Please consult your
local Mitsubishi representative.
• Check the detailed information (system
configuration information), and check the module
corresponding to the displayed slot number.
• Check the connection status of the extension cable.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the CPU module, I/O module, RJ71EIP91,
base unit, or extension cable. Please consult your
local Mitsubishi representative.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the CPU module, I/O module, RJ71EIP91,
base unit, or extension cable. Please consult your
local Mitsubishi representative.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the CPU module, I/O module, RJ71EIP91,
base unit, or extension cable. Please consult your
local Mitsubishi representative.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the I/O module, RJ71EIP91, base unit, or
extension cable. Please consult your local
Mitsubishi representative.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the CPU module or extension cable.
Please consult your local Mitsubishi representative.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the I/O module, RJ71EIP91, or extension
cable. Please consult your local Mitsubishi
representative.
Detailed information
System configuration
information
• I/O number
• Base number
• Slot number
System configuration
information
• I/O number
• Base number
• Slot number
• CPU number
System configuration
information
• I/O number
• Base number
• Slot number
• CPU number
System configuration
information
• I/O number
• Base number
• Slot number
• CPU number
System configuration
information
• I/O number
• Base number
• Slot number
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