NIKI V4
Operator’s Manual
33
Hospital service procedure
Introduction
This section contains a table describing preventing maintenance which should be
performed on the NIKI V4 Volumetric infusion pump. The maintenance procedures
outline in this section may be performed in the hospital, by the biomedical department.
An abnormal condition accurse which is not correctable by performing the following
procedures, remove the device from service and troubleshoot it in accordance with
section 4.4. or return it for service.
Replacement of main power fuse:
1.1 Switch the device off by pressing the on/off key.
1.2 Check if the AC icon is displayed.
1.3 Remove the power cord from AC power outlet.
1.4 Separate the front and the rear pump's housing as described on pg.
1.5 Remove the fuses from the fuse socket on the rear PCB, and check using an
ohmmeter electrical continuity.
1.6 If necessary, replace with a new fuse of the same value, type and voltage.
1.7 Replace and tight fuses in the fuses housing.
On the main PCB located a battery protecting fuse (F1). The nominal of the battery
protecting fuse is 1.2 A.
Fuses - Nominal
On the rear PCB of the pump are located 2 safety fuses protecting the AC/DC
converter.
The nominal requested values of the fuses are 800mA