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Colleen AdamsSep 13, 2025
What does FCS Error (Sum check) mean on Omron Processor?
- JJessica MooreSep 14, 2025
An FCS Error (Sum check) on your Omron Processor is caused by noise disturbing the signal. The system should return to normal automatically when the noise is reduced. If the display does not return to normal, press the ESC button to restart LCD.
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