NAiS FP0 Series, Hardware Manual

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Self-Diagnostic and Troubleshooting FP0
10 - 13 Matsushita Automation Controls
10.3 Error Codes
Steps to take for syntax error
D
Change to PROG. mode, and then execute the total-check function
while on-line with the programming tool connected. This will call up
the error contents and the address at which the error occurred.
D
Correct the program while referring to the error contents.
10.3.1.2 Self-Diagnostic Error
This error occurs when the contoller’s self-diagnostic function detects the occurence of
an abnormality in the system. The self-diagnostic function monitors the memory
abnormal detection, I/O abnormal detection, and other devices.
When the self-diagnostic error occurs
D
ERROR/ALARM LED begins blinking.
D
The operation of the controller might stop depending on the content of
error and the system resister setting.
D
The error codes will be stored in the special data resister DT9000.
D
In the case of operation error, the error address will be stored in the
DT9017 and DT9018.
Clearing the self-diagnostic error
D
Using NPST-GR software
At the STATUS MENU, press the <F3> key. Error codes 43 and higher can
be cleared.
D
Using FP programmer
II
Ver. 2
Press the keys as shown below. Error codes 43 and higher can be cleared.
2 ACLR
OP
(- )
1 1
SC
SHIFT
WRT
ENT
D
Errors can also be cleared by turning OFF an ON the power while in
the PROG. mode. However, memory contents, not stored with the
hold type data, will also be cleared.
D
The error can also be cleared depending on the self-diagnostic error
set instruction F148(ERR) .
Steps to take for self-diagnostic error
The steps to be taken will differ depending on the error contents. For more details, use
the error code obtained above and refer to section 10.3.3.