3 Error Tables
3-98
NJ-series Troubleshooting Manual (W503)
65100000 hex Sensor Dis-
connected
Error
A disconnected
temperature sen-
sor was detected.
• The temperature sensor is
damaged or the wires are bro-
ken.
• An unused channel is not dis-
abled.
SU NX-series
Analog I/O
Units User’s
Manual
(W522)
80200000 hex NX Unit I/O
Communica-
tions Error
An I/O communica-
tions error occurred
between the Com-
munications Cou-
pler Unit and the
NX Unit.
• The NX Unit is not mounted
properly.
• The power cable for the Unit
power supply is disconnected.
Or, the wiring from the Unit
power supply to the NX Units is
incorrect.
• The power cable for the Unit
power supply is broken.
• The voltage of the Unit power
supply is outside the specified
range. Or, the capacity of the
Unit power supply is insuffi-
cient.
• There is a hardware error in the
NX Unit.
S Same as
above.
80240000 hex NX Unit
Clock Not
Synchronized
Error
An error occurred in
the clock informa-
tion
between the
EtherCAT Coupler
Unit and the NX
Unit.
• There is a hardware error in the
NX Unit.
• There is a hardware error in the
EtherCAT Coupler Unit.
S Same as
above.
65110000 hex Process
Value Over
Range
The process tem-
perature exceeded
the upper limit of
temperature con-
version range.
• The sensor is disconnected.
• The sensor or the compensat-
ing cables are not wired cor-
rectly.
• The sensor and the input type
setting do not agree.
• The range of the input type is
too narrow for the temperatures
that need to be measured.
• An unused channel is not dis-
abled.
US Same as
above.
65120000 hex Process
Value Under
Range
The process tem-
perature went
below the lower
limit of temperature
conversion range.
• The sensor or the compensat-
ing cables are not wired cor-
rectly.
• The sensor and the input type
setting do not agree.
• The range of the input type is
too narrow for the temperatures
that need to be measured.
US Same as
above.
80220000 hex NX Message
Communica-
tions Error
An error was
detected in mes-
sage communica-
tions and the
message frame
was discarded.
• The message communications
load is high.
• The communications cable is
disconnected or broken.
This cause does not apply if
attached information 2 is 0 (NX
bus).
• Message communications were
cut off as the result of executing
a synchronization or restora-
tion operation on the Sysmac
Studio or as the result of dis-
connecting an EtherCAT slave.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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