Omron NJ501-1300, User Manual

Page: 356 / 432

11 Troubleshooting
11-10
NJ-series CPU Unit Motion Control User’s Manual (W507)
11-2 Troubleshooting
This section describes the errors that can occur and the corrections for them.
The errors (i.e., events) that can occur in the Motion Control Function Module are given on the following
pages.
Event levels are given in the table as follows:
Maj: Major fault level
Par: Partial fault level
Min: Minor fault level
Obs: Observation
Info: Information
The upper four digits of the event codes that are given in the following table are output as the error
codes to the system-defined variable for motion control. Refer to the
NJ-series Troubleshooting Manual
(Cat. No. W503) for all of the event codes that may occur for an NJ-series Controller.
11-2-1 Error Table
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
10200000 hex User Pro-
gram/Con-
troller
Configura-
tions and
Setup Trans-
fer Error The user program
or Controller Con-
figurations and
Setup were not
transferred cor-
rectly. • The user program or Controller
Configurations and Setup are
not correct because the power
supply to the Controller was
interrupted or communications
with the Sysmac Studio were
disconnected during a down-
load of the user program or the
Controller Configurations and
Setup.
• The user program or Controller
Configurations and Setup are
not correct because the power
supply to the Controller was
interrupted during online edit-
ing.
• The user program or Controller
Configurations and Setup are
not correct because the power
supply to the Controller was
interrupted during a Clear All
Memory operation.
• Non-volatile memory failed.
√
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14600000 hex Absolute
Encoder
Home Offset
Read Error The absolute
encoder current
position that is
retained during
power interruptions
was lost. • The life of the Battery in the
CPU Unit has expired.
• Backup memory failure
√
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14610000 hex Motion Con-
trol Parame-
ter Setting
Error The MC parameters
that were saved in
non-volatile mem-
ory are missing. • The power supply to the Con-
troller was interrupted or com-
munications with the Sysmac
Studio were disconnected while
downloading the motion control
parameter settings or clearing
memory.
• Non-volatile memory failure
√
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