10 - 9
10 Troubleshooting
NX-series Position Interface Units User’s Manual (W524)
10-3 Checking for Errors and
Troubleshooting on the Sysmac
10
10-3-2 Event Codes for Errors and Troubleshooting Procedures
80240000 hex NX Unit
Clock Not
Synchro-
nized Error
An error occurred
in the clock infor-
mation 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.
SP. 10-20
80220000 hex NX Message
Communica-
tions Error
An error was
detected in mes-
sage communica-
tions and the
message frame
was discarded.
• The message communi-
cations load is high.
• The communications
cable is disconnected or
broken.
• Message communica-
tions were cut off as the
result of executing a syn-
chronization or restora-
tion operation on the
Sysmac Studio or as the
result of disconnecting
an EtherCAT slave.
SP. 10-21
84D00000 hex SSI Commu-
nications
Error
An error occurred
in SSI communi-
cations.
• The SSI data settings do
not agree with the SSI
communications set-
tings in the connected
device.
• The wiring between the
NX Unit and the con-
nected device is not cor-
rect or disconnected.
•Noise
US P. 10-22
90400000 hex Event Log
Cleared
The event log was
cleared.
• The event log was
cleared by the user.
SP. 10-23
Event code Event name Meaning Assumed cause
Level
Refer-
ence
Maj Prt Min Obs Info