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USING THE STERILIZER - 5
5.2
Turning the sterilizer on
Turn the sterilizer on using the main switch on the back of the device.
• The TIME display shows the current time
• The TEMP display indicates
OFF
• The PRESS display shows the date and month
Press the
POWER
button and wait a few seconds for completion of the automatic self-test. During this time, the parameters
of the checked components appear in sequence on the display.
Once the self-test is finished, the current time appears again on the TIME display, the pressure on the PRESS display and the
temperature on the TEMP display; if the chamber temperature is below 35°C, the message
LOW
appears.
The microprocessor enables the preheating phase to bring the temperature of the chamber walls to 100°C.
During this phase, the temperature readings on the display are not accurate as there is not yet any steam.
At this point, the sterilizer is ready to start one of the sterilization cycles (described in the following paragraphs). Arrange the
material to be sterilized on the trays, place them in the chamber and close the door.
Make sure that the red minimum water level light is off. If the light is on, fill the main tank with demineralized water until the
max H
2
O LED lights up.
5.3
Daily tests to check the sterilizer's performance
During the testing conducted by the manufacturer, in accordance with the regulations, the sterilizer undergoes thorough
calibration tests and verification. These tests guarantee the performance of the device, except for in the case of unauthorized
repairs, tampering or improper use.
Although the device has an advanced diagnosis and process evaluation system, the operator has the responsibility of
ensuring the maintenance of performance standards on a daily basis.
The frequency of these checks is determined locally by the healthcare protocols of the place of installation.
The manufacturer recommends running the following tests daily, in the morning, before using the sterilizer:
Vacuum, Helix
and Bowie&Dick
, described in detail in the following paragraphs.
5.3.1 Vacuum test
The purpose of the
Vacuum test
is to ensure that the sterilization chamber is perfectly sealed. The manufacturer recommends
running the test at the start of the day, before beginning the daily sterilization cycles.
The
Vacuum test
is activated with the machine unloaded, in standby mode (OFF state shown on the display) and an internal
temperature of below 35°C, which are the typical conditions of the state of the device at the start of a working day.
Press the
TEST
button
The device automatically starts the vacuum test, which lasts for about 15 minutes.
If the test has a negative result, the TEST FAIL message appears on the display, indicating that the chamber is insufficiently
sealed (see “Alarms” chapter).
5.3.2 Helix test and Bowie & Dick test
The purpose of
Helix test
and
Bowie&Dick test
is to verify the proper penetration of the sterilising steam in the tools
contained in the sterilization chamber.
The
Helix test
and
Bowie&Dick test
are activated with the sterilizer switched on.
The manufacturer recommends running these tests at the start of the day, before beginning the daily sterilization cycles, but
they can be run at any time, with the sterilizer on.
Prepare the sterilizer for a
Helix test
(e.g. HTS100 class 5 cod. 9900051) or a
Bowie&Dick test
(e.g. 3MTM COMPLYTM cod.
1300) in accordance with the requirements of the test procedure regulations.
Switch the machine on, press and hold the
TEST
button and press the
START/STOP
button.
The device automatically starts the test program, with a temperature of 134°C, a sterilization time of 3.5 minutes and 3
vacuum phases.
If an undesired
Helix test
or
Bowie & Dick test
is accidentally started, you can stop it by pressing the
START/STOP
button.
The device deletes the test started unintentionally, automatically initiates a procedure to remove the fluids in circulation and
places itself in stand-by, ready for use in a normal working cycle.
