Hi Zahoor, An active oscillator fault flag indicates an error with the crystal, whether it involves an improper drive strength, load capacitance or otherwise. Have you tried testing with any other load capacitor values? What percentage of boards fail? Have you ensured that the crystals are installed properly on the faulty units, and that the traces have been cleaned from moisture or flux? You can also try referencing the suggestions from the MSP430 32-kHz Crystal Oscillators Application Report (SLAA322): www.ti.com/.../slaa322b.pdf Regards, Ryan
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