Coltene SciCan BRAVO G4, Technical & Service Manual

Page: 45 / 116

Sterilizers Bravo G4
- TECHNICAL MANUAL
EN SERVICE MENU
43
SQ12 – CHECK EV1/EV3 FOR PROPER CLOSING
-
Close the door.
From SOLENOID VALVES menu:
-
Close EV1.
-
Open EV4.
Go to the OTHER COMPONENTS menu then:
-
Take note of the reading “P” of chamber pressure.
-
Activate VP – vacuum pump.
If EV1/EV3 are closing properly, chamber pressure value “ P ” will not
change.
With the door open, proper closing of EV1/EV3 is confirmed when there is
no suction from:
-
Steam outlet, top/rear section of chamber for EV1.
-
Chamber filter coupling for EV3.
Deactivate the components after completing the test.
SQ13 – CHECK FOR EV1 OPENING
-
Close the door.
From SOLENOID VALVES menu:
-
Open EV1 and EV4.
-
Close EV3.
Go to the OTHER COMPONENTS menu, then:
-
Take note of the reading “P” of chamber pressure.
-
Activate VP – vacuum pump.
If EV1 is open (powered off), chamber pressure value “ P ” will decrease.
With the door open, EV1 opening can be confirmed by checking the effect
of suction from the steam outlet, top/rear section of chamber.
Deactivate the components after completing the test.
SQ14 – CHECK FOR EV3 OPENING
-
Close the door.
From SOLENOID VALVES menu:
-
Close EV1.
-
Open EV3 and EV4.
Go to the OTHER COMPONENTS menu, then:
-
Take note of the reading “ P ” of chamber pressure.
-
Activate VP – vacuum pump.
If EV3 is open (powered on), chamber pressure value “ P ” will decrease.
With the door open, EV3 opening can be confirmed by checking the effect
of suction from the chamber filter coupling.
Deactivate the components after completing the test.