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Dear colleagues, our Cary 4000 has failed, after passing the tests, we decided that it was a deuterium lamp. After replacement   deuterium and halogen lamps, when starting up Cary 4000 displays a message: Error code :9:9406CHG: E9406 Source datum not foun

Question asked by photochem on Nov 18, 2019

Dear colleagues, our Cary 4000 has failed, after passing the tests, we decided that it was a deuterium lamp. After replacement   deuterium and halogen lamps, when starting up Cary 4000 displays a message: Error code :9:9406CHG: E9406 Source datum not found Fault reported by the instrument software. Fault reported by positional sensor on the filter wheel. What does it mean?

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