Measurement
Diaphragm character wheel and LCD appear different historical data. Whether there is a magnetic attack abnormal warning, if so, need to upgrade the table with procedures
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Metering exception code
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Description
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Solution
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Err-1
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Magnetic attack
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Check Hall components
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Err-9
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UMU module exception
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Change meter
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Err-93
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UMU module exception
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Change meter
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