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7. Troubleshooting
The table below summarizes errors we wish to be checked carefully before you determine them to
be a fault.
7.1 Errors That Occur When Writing to ROM
7.1.1 When Newly Purchased
7.1.2 Previously Written Normally
Cause
Content
Is the adapter attached to the correct position of the PROM
programmer?
Is the MCU attached to the correct position?
Is the area specification set correctly?
Is the correct device selected?
The IC socket of the PROM programmer may be stained. The
socket needs to be replaced.
See pages
Programming adapter
PROM programmer
Contact failure
11
12
13
10
-
Cause
Content
Is the adapter attached to the correct position of the PROM
programmer?
Is the MCU attached to the correct position?
Is the area specification set correctly?
Is the correct device selected?
The IC socket of the PROM programmer may be stained. The
socket needs to be replaced.
The PROM programmer connector at which the PROM
programmer is contacted may be stained. Clean it with alcohol,
etc.
See pages
Programming adapter
PROM programmer
Contact failure
11
12
13
10
-
-