Common Error Codes

Error Code	Description	Notes
0x0000	No problems
0x0050	No session active
0x0051	Unit busy (another user active)	This is a critical error that will cause the driver to terminate the poll cycle.
0x0052	Login rejected	This is a critical error that will cause the driver to terminate the poll cycle. Ensure the security settings are configured correctly.
0x0054	Read access denied
0x0055	Write access denied
0x0057	Write access denied, change log full	This error code indicates the device has stopped allowing writes due to the User Change Log record queue being full and has not been accessed (GETN Read) to allow the queue to be recycled. Ensure the User Change Log history is being read on a regular bases to free the locked state.
0x0058	Write access denied, local user active
0x0059	Access denied, superboot mode active	This is a critical error that will cause the driver to terminate the poll cycle.
0x005B	Write access denied, cfg lock switch on
0x005C	Session is already logged in	When this code is returned, the protocol will attempt to reuse a previous session if it is still available.
0x005D	Maximum number of sessions reached	This is a critical error that will cause the driver to terminate the poll cycle.
0x005E	Session in use (Trusted Access Rejected)	Ensure Trusted Access is configured correctly in the device and is available on the communication channel being used.
0x00A1	Owner ID or key not found	This code indicates a problem with the owner id/key used in the GETS (Structure Read) request. Ensure the key/id maps correctly to a resource present in the device.
0x0120	No items exist	This code indicates no items requested are present in the device. Ensure the correct item code and model are configured.
0x012D	DataID not found	This code indicates an item requested is not present in the device. Ensure the correct item code and model are configured.
0x0153	Incorrect mode use in GETN	This code indicates a problem with the mode flag used in the GETN (EFM Record Collection) function.
0x0154	Incorrect start/end time use in GETN	This code indicates a problem with the dates supplied to the GETN (EFM Record Collection) function.
0x015D	No new queue records found	This code may be returned during EFM record collection. It is informational in nature and can be ignored.
0x015F	No record count supplied	This code may be returned during EFM record collection. It is informational in nature and can be ignored.

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