The hcu 30 showed the error ¿1004-2 main heater temp.Sensor error¿.According to the service report #(b)(4), the field service technician replaced the patient side actuator for 3-way valve (material number #701034052).All function tests passed.The most probable root cause for the failure '1004-2' were wrong setting of the 3-way valve (actuator).The occurrence rate was calculated for the reported issue and it was determined that this is not a systemic issue.Therefore, no remedial action is required.The review of the non-conformities during the period of 2013-08-07 to 2021-01-12 does not show any non-conformity in regard to the reported product and failure.Thus, the reported failure ¿error 1004-2¿ could be confirmed.The event occurred during inspection.The hcu 30, which was used, was responsible for this complaint the occurrence rate related to the reported issue is currently being monitored as part of maquet cardiopulmonary´s trending program and additional investigations or corrections will be implemented in case of adverse trending.
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