The reported "head error" occurred during installation.According to the part remove grid in the complaint the (b)(4) rf control board has been replaced.The following most possible root cause could be determined for the head error: the head error is caused by the hot plug.When the device is in operation and the power plug is plugged in or out the head error occurs and the rota flow drive and / or the control board is damaged.As a result the rota flow drive and / or the control board has to be replaced.Furthermore, the instructions for use of the rotaflow system, see rotaflow system instruction for use, instructions for use | 4.2 | en | 13, chapter 8.1.2 contain detailed descriptions to prevent an ¿error head¿.The device history record (dhr) was performed and the dhr does not show any abnormality or issue that is related or can have led to the customer complaint.The reported "head error" occurred during installation and could be confirmed.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 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.
|