3-131
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-9 Errors in CJ-series Units
The section provides tables of the events that can occur in the following Units.
CJ1W-PDC15
CJ1W-AD04U
CJ1W-PH41U
348C0000 hex I/O Number
Specification
Error in
Adjustment
Mode
The I/O numbers
specified in Adjust-
ment Mode are not
enabled or the I/O
numbers are wrong.
• The I/O numbers that were
specified in Adjustment Mode
are not enabled.
• The setting of the Adjustment
I/O Number (device variable
*_AdjCh) is incorrect, so adjust-
ment is not possible.
US CJ-series
Analog I/O
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W490)
CJ-series Process I/O Units
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
04600000 hex A/D Conver-
sion Error
An error occurred in
A/D conversion.
• There is a source of noise
nearby.
• A/D converter failed.
SU CJ-series
Analog I/O
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W498)
04610000 hex Cold Junction
Sensor Error
An error occurred in
the cold junction
sensor.
• Faulty connection to the cold
junction sensor for the CJ1W-
PH41U.
• The cold junction sensor failed.
SU Same as
above.
04620000 hex Non-volatile
Memory
Error
An error occurred in
non-volatile mem-
ory.
• There is a source of noise
nearby.
• Non-volatile memory failed.
S Same as
above.
348D0000 hex Data Range
Error
A set value is out of
range.
• A set value is out of range. S Same as
above.
647A0000 hex Input Error An input error
occurred.
• The analog input signal is out of
range.
• Input wiring is broken.
• Input wiring disconnection or
loose terminal
SU Same as
above.
647D0000 hex Zero/Span
Adjustment
Period End
The zero/span
adjustment period
expired.
• The zero/span adjustment
period expired.
US Same as
above.
647E0000 hex Zero/Span
Adjustment
Period Notice
The zero/span
adjustment period
is close to expiring.
• The notification period for the
expiration of zero/span adjust-
ment occurred.
US Same as
above.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info