Instruction manual

155
4
PARAMETERS
<Error Code List>
The corresponding error code in the following list is displayed if an error is detected in
any communication request data from the computer:
Error
Code
Item Definition Inverter Operation
H0
Computer NAK
error
The number of errors consecutively detected
in communication request data from the
computer is greater than allowed number of
retries.
Brought to an
alarm stop (E.PUE)
if error occurs
continuously more
than the allowable
number of retries.
H1 Parity error
The parity check result does not match the
specified parity.
H2
Sum check
error
The sum check code in the computer does
not match that of the data received by the
inverter.
H3 Protocol error
Data received by the inverter is in wrong
protocol, data receive is not completed within
given time, or CR and LF are not as set in the
parameter.
H4 Framing error
The stop bit length is not as specified by
initialization.
H5 Overrun error
New data has been sent by the computer
before the inverter completes receiving the
preceding data.
H6 ⎯⎯ ⎯
H7 Character error
The character received is invalid (other than 0
to 9, A to F, control code).
Does not accept
received data but is
not brought to an
alarm stop.
H8 ⎯⎯ ⎯
H9 ⎯⎯ ⎯
HA Mode error
Parameter write was attempted in other than
the computer link operation mode or during
inverter operation.
Does not accept
received data but is
not brought to an
alarm stop.
HB
Instruction code
error
The specified command does not exist.
HC
Data range
error
Invalid data has been specified for parameter
write, frequency setting, etc.
HD ⎯⎯ ⎯
HE ⎯⎯ ⎯
HF ⎯⎯ ⎯