Error, fault and alarm codes of products - what each code means, its causes and what to do - read from the manufacturers’ manuals, with the manual page each answer comes from.
The system failed to send a command due to a header error. The manual's first action is: “Check the command format and set the correct command data.”
The command sent to the system is too long or failed to send. The manual's first action is: “Check the command format and set the correct command data.”
Too many relay points (send failed) The manual's first action is: “Reconstruct the network or correct the routing tables so that commands are sent to within a 3-level network range.”
The system encountered a routing table error while attempting to send data. The manual's first action is: “Create the routing tables correctly.”
The system failed to send data because no routing table entry was found. The manual's first action is: “Set the local node, remote node, and relay nodes in the routing tables.”
The destination address is not in the routing tables, so data cannot be sent. The manual's first action is: “Set the destination address in the routing tables.”
The CPU Unit failed to send a signal successfully. The manual's first action is: “Troubleshoot the error in the CPU Unit using the PLC operation manual.”
The system failed to find a unit at the specified address. The manual's first action is: “Check the unit address at the remote node.”
The remote node is not connected to the network and communication failed. The manual's first action is: “Check the connection to the remote node.”
The system has failed to send a command due to resend count exceeding limits. The manual's first action is: “Check transceiver at remote node.”
The CPU Unit has been protected due to a detected issue. The manual's first action is: “Remove protection from CPU Unit memory.”
The CPU Unit has encountered a memory error. The manual's first action is: “01. Recreate the data specified by the 2nd byte of the detailed error code. 02. Clear memory using procedure in the PLC operation manual.”
Event timed out due to a system timeout condition. The manual's first action is: “Replace the CPU Unit.”
The system setup area is insufficient for the current configuration. The manual's first action is: “Reduce the number of CPU Bus Units.”
The CPU Unit failed to initialize properly. The manual's first action is: “Replace the CPU Unit.”