It was reported that during use on a patient, "the pump keeps ringing and cannot work in the early morning.According to the engineer's guidance, turn off the battery switch and restore the pump to normal.After 10 minutes, the device reappeared with a black screen and a long beep alarm, making it unable to function.The engineer determined that there was a problem with the battery module".The issue was resolved but exchanging the pump for another.No patient harm or injury.No medical intervention necessary.Per the customer, the patient status is reported as "unknown".
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