Unit alarmed 14, 44, and 65 while patient was connected.Unable to clear so patient had to be switched to another unit to continue treatment.Manufacturer response for hemodialysis, (brand not provided) (per site reporter) found pi transducer diaphragm hanging down, throwing bad pressures causing errors.Replaced pressure transducer and recalibrated.Ran patient sim without error.Called baxter and spoke with rep.And informed him of troubleshooting and end result.He gave me case#, and said if unit passed patient sim to return it to service.Returned unit to service.
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