问题：
I am getting the diagnostic error code E212X (E2121+ E2122+ E2123+ E2124) on my CSA803 or 11800-series oscilloscope. What does this mean?
答案：
This diagnostic error code indicates a problem with theRAMfor the Front Panel Controller or its associated circuitry.
Due to the age of these products, replacement parts are no longer available. Repairs on these products are available from Tektronix Service on a best effort basis.
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常见问题 ID 52796
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