Yaskawa BACnet MS/TP - Manual (Page 29)

n Communication Errors
Errors that may occur when accessing drive parameters using the BACnet objects are shown
in Table 7 .
Table 7 MEMOBUS to BACnet Error Conversion
Error Code Description
03d
BN_ERR_DEVICE_IS_BUSY
Writing to a parameter was attempted while the drive was saving parameters to non-volatile
memory.
27d
BN_ERR_READ_ACCESS_DENIED
Invalid parameter register number used when reading.
37d
BN_ERR_VALUE_OUT_OF_RANGE
Value written to the parameter is out of the valid range.
40d
BN_ERR_WRITE_ACCESS_DENIED
An invalid parameter register number was used when writing.
Writing to a parameter was attempted while the drive was in a mode that disables writing (i.e.,
writing while the drive was Auto-Tuning).
Writing to a parameter was attempted while the DC Bus had an Undervoltage (Uv) fault.
7 Troubleshooting
YASKAWA TOEP YEACOM 08A A1000 Option BACnet MS/TP SI-B3 Installation & Technical Manual 29