Yaskawa Z1000 AC Drive HVAC - Manual (Page 334)

C.9 Communication Errors
Errors that may occur when accessing drive parameters using the BACnet objects are shown in Table C.12 .
Table C.12 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
C.9 Communication Errors
334 YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual