Status code Meaning 0x00 Successfully formed or joined a Zigbee network. 0x21 Scan found no PANs. 0x22 Scan found no valid PANs based on SC and ID settings. 0x23 Valid PAN found, but joining is currently disabled. 0x24 No joinable beacons were found. 0x27 Join attempt failed. 0x2A Failed to start coordinator. 0x2B Checking for existing coordinator. 0x40 Secure Join - Successfully attached to network, waiting for new link key. 0x41 Secure Join - Successfully received new link key from the trust center. 0x44 Secure Join - Failed to receive new link key from the trust center. 0xAB Attempted to join a device that did not respond. 0xAD Secure Join - a network security key was not received from the trust center. 0xAF Secure Join - a preconfigured key is required to join the network. 0xFF Initialization time; no association status has been determined yet.