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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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