PROM Programming Adapter User's Manual

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Chapter 7. Troubleshooting

The table below summarizes errors to be checked carefully before you determine them to be a fault.

7.1 Errors That Occur When Writing to PROM

7.1.1 When Newly Purchased

7.1.2 Previously Written Normally

Cause

Remedy

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 replacing.

The PROM programmer connector at which the PROM

programmer is contacted may be stained. Clean it with

alcohol, etc.

See page

Programming adapter

PROM programmer

Contact failure