问题：
I am getting the diagnostic error code+ E1411+ E1421+ or E1431+ on my CSA803 or 11800-series oscilloscope. What does this mean?
答案：
E1411 indicates a problem with the battery, or it associated circuitry. E1421 and E1431 indicate problems with U230 and/or U530, which are the NVRAM devices.
Due to the age of these products, replacement parts are no longer available. Tektronix Service offers repairs on these products on a best effort basis.
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常见问题 ID 52816
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