Omron NJ501-1300, User Manual

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11 Troubleshooting
NJ-series CPU Unit Motion Control User’s Manual (W507)
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Event name Absolute Encoder Home Offset Read Error Event code 14600000 hex
Meaning The absolute encoder current position that is retained during power interruptions was lost.
Source Motion Control Function Module Source details MC Common Detection
timing At power ON, at
Controller reset,
or when down-
loading
Error attributes Level Partial fault Recovery Error reset Log category System
Effects User program Continues. Operation It will not be possible to perform axis control.
System-defined
variables Variable Data type Name
_MC_COM.PFaultLvl.Active BOOL MC Common Partial Fault Occur-
rence
Cause and
correction Assumed cause Correction Prevention
The life of the Battery in the CPU Unit
has expired. Replace the Battery in the CPU Unit,
reset the error, and perform homing to
define home. Periodically replace the Battery in the
CPU Unit. Refer to the
NJ-series CPU
Unit Hardware User's Manual (Cat.
No. W500) for information on the Bat-
tery life.
Backup memory failure If the error occurs even after the
above correction is performed, CPU
backup memory has failed. Replace
the CPU Unit and perform homing to
define home. None
Attached
information None
Precautions/
Remarks None
Event name Motion Control Parameter Setting Error Event code 14610000 hex
Meaning The MC parameters that were saved in non-volatile memory are missing.
Source Motion Control Function Module Source details MC common Detection
timing At power ON, at
Controller reset,
or when down-
loading
Error attributes Level Partial fault Recovery Cycle the power
supply or reset
the Controller. Log category System
Effects User program Continues. Operation It will not be possible to perform axis control.
System-defined
variables Variable Data type Name
_MC_COM.PFaultLvl.Active BOOL MC Common Partial Fault Occur-
rence
Cause and
correction Assumed cause Correction Prevention
The power supply to the Controller
was interrupted or communications
with the Sysmac Studio were discon-
nected while downloading the motion
control parameter settings or clearing
memory. Download the MC parameters from
the Sysmac Studio. Do not turn OFF the power supply
during save processing for the param-
eters.
Non-volatile memory failure If the error occurs even after the
above correction is performed, non-
volatile memory has failed. After you
replace the CPU Unit, download all
settings including the Axis Settings
from the Sysmac Studio. None
Attached
information None
Precautions/
Remarks None