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Troubleshooting, 1 errors that occur when writing to prom, 1 when newly purchased – Renesas PROM Programming Adapter PCA7427G02 User Manual

Page 16: 2 previously written normally, Chapter 7. troubleshooting

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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

10

11

11

9

-

-

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.

See page

Programming adapter

PROM programmer

Contact failure

10

11

11

9

-