16
Edition 1.-4.03
9.
Care and maintenance
9.1
Service
.
9.1.1 If the unit is disabled (e.g., no aspiration, no reaction to key presses, etc.) or requires
maintenance, consult the troubleshooting table in
. If the problem is not covered,
disconnect the unit from the mains and contact Biosan or your local Biosan repre-
sentative.
9.1.2 All maintenance and repair operations (except listed below) must be performed only
by qualified and specially trained personnel.
9.1.3 Operating integrity check. If the unit follows the procedure described in section
Op-
eration
, then no additional checks are required.
9.2
Cleaning and disinfection
.
9.2.1 Use mild soap and water with a soft cloth or sponge for cleaning the exterior. Rinse
remaining washing solution with distilled water. Wipe dry the excess water with clean,
soft cloth or sponge.
9.2.2 To disinfect the plastic and glass parts, use 75% ethanol or DNA/RNA removing so-
lution (e.g., Biosan PDS-250). After disinfecting, wipe the surfaces dry.
9.2.3 Silicone and fittings. Detach and disassemble the tubing. Use only distilled water, no
less than 0.5 L, and air dry after rinsing.
9.2.4
Autoclaving procedures
.
Lid, fittings, tubing
Flask
Hydrophobic filter, cables,
base pump
FTA-1
121°C and 1 atm.,
15 min.
121°C and 1 atm., 55 min.
Do not autoclave
FTA-2i
121°C and 1 atm., 15 min.
Caution!
Do not put a closed flask in the autoclave, as it might irreversibly deform.
Completely disengage the thread on the cap.
Note.
Hydrophobic filter and sensor cable are sensitive to moisture and are
not autoclavable. Tubing is made of silicone and deteriorate after fre-
quent autoclaving and should be replaced.
9.3
Tubing replacement
. Change the silicone tubing every 6 months.
9.4
Filter replacement
. Replace the filter as soon as it accumulates visible traces of dirt,
or when the liquid is sucked into it. Maximum working time for the filter is 30 days.
When working with infected materials, replace the filter immediately after finishing the
procedure to prevent the spread of infection.
9.4.1 Changing procedure. Remove the filter (fig. 1/2 or 6/1) by detaching it from adapters.
Insert a new filter and reconnect the adapters.
Caution!
Observe the orientation of the filter:
•
For model
FTA-1
, the
IN
marking should be facing towards the unit (figure 1).
•
For model
FTA-2i
, the
IN
marking should be facing away from the unit (figure 6).
