A simplygo mini oxygen concentrator was returned to a third-party service center for inspection/evaluation.There are no allegations of serious injury or harm, and neither is medical intervention specified.The complaint of the charge port being broken was confirmed.During the evaluation, the sieve beds had low o2, malfunctioning valves, airside manifold chirping, the power connector broken, the compressor had lead wire damage, and the main pca board had low flow.After the comprehensive evaluation, the necessary parts were replaced, and the software was updated.
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