Error Codes; Error Codes - YASKAWA V1000 Series Technical Manual

C.8

Error Codes

A list of MEMOBUS/Modbus errors appears below.
When an error occurs, remove whatever it was that caused the error and restart communications.
Error Name
Error Code
Cause
Function Code Error
01H
Attempted to set a function code from a PLC other than 03H, 08H, and 10H.
Register Number Error
02H
None of the register numbers exist. Attempted to send a broadcast message that did not start with 0001H or 0002H.
Bit Count Error
03H
Read data or write data is greater than 16 bits.
Data Setting Error
21H
Control data or parameter write data is outside the allowable setting range.Attempted to write a contradictory parameter setting.
Write Mode Error
22H
Attempted to write while the drive was operating to a parameter that cannot be written to during run. During an EEPROM data error (CPF06), the PLC attempted to
write to a parameter other than A1-00 to -05, E1-03, or o2-04. Attempted to write to read-only data.
DC Bus Undervoltage Write Error
23H
Attempted to write from the PLC during an undervoltage fault (Uv1). Attempted to execute and Enter command from the PLC during Uv1.
Write Error During Parameter Process
24H
PLC attempted writing to the drive while the drive was processing parameter data.
YASKAWA ELECTRIC SIEP C710606 18A YASKAWA AC Drive – V1000 Technical Manual (Preliminary)
C.8 Error Codes
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