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8.3 Error Code List for Explicit Message Errors
If an explicit message sent from the master contains any error, this option responds to the master with "94" in
the service code and "error code" (see Table 8.1) in the data.
An error code is two bytes long, consisting of a general code and additional code. Some error codes have no
additional code and have "FF" instead.
Table 8.1 Error Code List for Explicit Message Errors
Error code
General
code
Additional
code
Error name
Description
Error recovery
08
FF
Service not supported
Invalid service code
Correct service code.
(Read: 0E hex, Write:10 hex)
0E
FF
Invalid attribute value
Attempted to change a
write-inhibited variable.
Check the specified variable
again.
13
FF
Not enough data
Attempted to write Byte
data to Word variable.
Match the data size.
14
FF
Attribute not supported
Access to a nonexistent
variable.
Check the specified variable
again.
15
FF
Too much data
Attempted to write Word
data to Byte variable.
Match the data size.
16
FF
Object does not exist
Access to a nonexistent
object.
Correct the contents of the
Class.
1F
See blow.
Vender specific error
Error unique to vendor
See below.
02
No function code
(in writing)
Attempted to write to a
nonexistent function code.
Correct the function code
number specified.
03
Function
code
not
allowed to change
Attempted to write to a
read-only function code.
Correct the function code
number specified.
06
Not allowed to change
in running
Attempted to write to a
function code not allowed to
change when the inverter is
running.
Write after the inverter is
stopped.
07
Not allowed to change
with X terminal being
ON
Attempted to write to a
function code not allowed to
change when X terminal is
ON.
Write after the X terminal is
turned OFF.
08
Data entry range error
Attempted to write data out
of the range.
Write data within the range.
0F
Function
code
data
being written
Requested to write to a
function code being written.
Request to write after
completion of the current writing
operation.
21
No function code
(in reading)
Attempted to read from a
nonexistent function code.
Correct the function code
number specified.
20
FF
Invalid parameter
Attempted to write a value
out of the range.
Correct the value within the
range.
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