Error Code List - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

<Error code List>
The corresponding error code in the following list is displayed if an error is detected in any communication
request data form the computer.
Error
Item
Code
H0 Computer NAK error
H1 Parity error
H2 Sum check error
H3 Protocol error
H4 Framing error
H5 Overrun error

H6
H7 Character error

H8

H9
HA Mode error
Instruction code
HB
error
HC Data range error

HD

HE

HF
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Definition
The number of errors consecutively detected in communication
request data from the computer is greater than allowed number
of retry times.
The parity check result does not match the specified parity.
The sum check code in the computer does not match that of the
data received by the inverter.
Data received by the inverter is in the wrong protocol, data
receive is not completed within the given time, or CR and LF are
not as set in the parameter.
The stop bit length is not as specified.
New data has been sent by the computer before the inverter
completes receiving the preceding data.

The character received is invalid (other than 0 to 9, A to F,
control code).


Parameter write was attempted in other than the computer link
operation mode or during inverter operation.
The specified command does not exist.
Invalid data has been specified for parameter write, frequency
setting, etc.



122
PARAMETERS
Inverter Operation
Brought to an alarm stop
(E.OPT) if error occurs
continuously more than
the allowable number of
retry times.

Does not accept receive
data but is not brought to
alarm stop.


Does not accept or
receive data but is not
brought to alarm stop.


