Omron SYSDRIVE 3G3MV

7-31
7-7 Communications Error Codes
The Inverter will detect a communications error if normal communications
fail or a message data error occurs.
The Inverter returns a response that consists of the Slave address, func-
tioncodewiththeMSBsetto1,errorcode,andCRC-16checkblockwhen
the communications error is detected.
When the Master receives an error code, refer to the following table for
troubleshooting and remedying the error.
H Errors and Remedies
Error
code
Name Probable cause Remedy
01 Hex Function code
error
The function code is set to a code other
than 03, 08, or 10 Hex.
Check and
correct the
function code.
02 Hex Register number
error
The specified register number has not
been registered.
Check and
correct the
r
e
g
i
s
t
e
r
n
u
m
b
e
r
.
e
r
r
o
r
An attempt was made to read the
register of the Enter command.
c
o
r
r
e
c
t
t
h
e
register number.
03 Hex Data number
error
The number of write or read registers is
not within a range from 1 to 16 (0001
and 0010 Hex).
Check and
correct the
number of
r
e
g
i
s
t
e
r
s
o
r
t
h
e
The number of registers of the DSR
message multiplied by two does not
coincide with the number of bytes of the
attached data.
n
u
m
b
e
r
o
f
registers or the
number of bytes.
21 Hex Data setting error
The write data is not within the
permissible range.
Check the
display on the
D
i
g
i
t
a
l
O
p
e
r
a
t
o
r
The data set is illegal and causes an
OPE (OPE1 through OPE9) error.
D
i
g
i
t
a
l
O
p
e
r
a
t
o
r
and correct the
data.
Communications Chapter 7