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List of DLF-3000 Error Codes

An error occurs during a firmware upgrade using DLF-3000

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The descriptions of the error codes are listed below

DLF-3000 firmware upgrade


List of errors that occur by the Modbus/TCP ethernet communications driver when trying to communicate with devices through an Ethernet Communications Module (ECM) or with other Modbus/TCP devices.
Code      Description
501 General network error occurred in winsock.dll (see CsInfo.log for more information).
502 Connection attempt timeout
503 Connection broken
504 Connection attempt failed
505 The specified timeout value for the connection is invalid.
506 General MODBUS error (see CsInfo.log for more information).
507 Function code is invalid
508 The address specified for the device is invalid
509 The value of the data is invalid
510 Slave device returned illegal packet size
511 Acknowledge
512 Slave device busy
513 Negative acknowledgment
514 Memory parity error
515 MODBUS + gateway path unavailable
516 Device failed to respond
517 Operation buffer create failed – Out of memory
518 Port object not found
519 N/A
520 Connection set out of service

Error Code List for DLF Serial Driver
Code Description
600 Timeout The slave device timed out.
601 Badmsg A bad message was received from the device. Usually caused by receiving the incorrect number of bytes in a packet from the device.
602 Badxsum Checksum is not what was expected from the device.
603 Bad channel Received a message from the device, but it wasn’t correct. Usually caused by receiving several 601 errors.
604 No modem connection Unable to establish a modem connection when using a modem.
605 Comm port error This is a serious error; the com port is busy or out of service, and the driver tries to send something to or retrieve something from it.
606 Device not responding/Device does not respond to the request.
607 Illegal function The MODBUS/Jbus device does not support the function requested.
608 Illegal data address MODBUS /Jbus error; an address is being accessed that is not allowable from the slave or does not support the function code for that address.
609 Illegal data value MODBUS /Jbus error; the value in the query data field is not an allowable value for the slave.
610 Illegal response length MODBUS /Jbus error that indicates the request would generate a response whose size exceeds the available MODBUS /Jbus data size of 123 registers.
611 Acknowledge Specialized use for MODBUS /Jbus. This error is not commonly seen.
612 Slave device busy Specialized use for MODBUS /Jbus. This error is not commonly seen.
613 Negative acknowledge Specialized use for MODBUS /Jbus. This error is not commonly seen.
614 Memory parity error For MODBUS /Jbus file uploads and downloads, this error indicates that the extended file area failed to pass a consistency check.
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