Omron NV Series Setup Manual page 145

Error Codes and Countermeasures
NV3W-V1, NV4W and NV3Q error codes are displayed as "ER" followed by
the four-digit error code. (The first two digits are the sub-response code and
the last two digits are the main response code.)
Code number
NV3W PTs except
NV3W
ER00 ER0000
ER01 ER0001
ER0301
ER0401
ER1001
ER1101
ER4001
ER02 ER0202
ER0302
ER0402
ER1002
ER1102
ER2502
Description
Timeout error: The PLC model is incorrect, the
No response was cable is disconnected, the com-
received from the munications parameters do not
PLC. match, the power is not turned
ON to the PLC, there is too much
noise, etc. Check for these prob-
lems and then cycle the power to
the PT.
PLC's data link Check the PLC to see if the data
service was can- link service is operating properly.
celed.
Communications An error occurred in the commu-
controller error nications controller in the PLC.
Undefined com- An undefined command was
mand received by the PLC (possibly
caused by noise).
Command too The command received by the
long PLC is longer than the maximum
permissible length (possibly
caused by noise).
No such area The specified word does not exist
in the memory areas of the PLC.
Set the correct memory address
area. Or, noise may have caused
the data to be corrupted, result-
ing in an illegal memory area
specification.
Service aborted Service was aborted with
ABORT command. Check for
problems in the communications
path and peripheral system com-
munications. If there is nothing
abnormal, cycle the power sup-
ply.
Unit missing The unit address setting is incor-
rect or the data was corrupted by
noise.
CPU Unit error Check the CPU Unit and cycle
the power supply.
Not supported by The PLC could not detect correct
model/version model data (possibly caused by
noise).
Command too The command received by the
short PLC is shorter than the minimum
permissible length (possibly
caused by noise).
Access size error The PLC detected an access
size error (possibly caused by
noise).
Memory error There is an error in PLC memory.
Check the PLC.
Section 7-5
Countermeasure
125