11.11 Servicing
Disconnect the ventilator from the power supply during all servicing work.
Only authorized customer service staff of FRITZ STEPHAN GMBH are permitted to
alter, modify, repair, or open the device, or to replace the battery. This does not
include the intended dismantling of the patient component according to the operating
instructions. Only use spare parts from FRITZ STEPHAN GMBH for maintenance.
Use only spare parts from FRITZ STEPHAN GMBH for servicing, otherwise device
damage may result.
The following procedures must be performed regularly to ensure that the
ventilator is operational at all times: