Coltene SciCan BRAVO G4, Technical & Service Manual

Page: 60 / 116

Sterilizers Bravo G4
- TECHNICAL MANUAL
58
ERROR/WARNING-ALARM-HAZARD-SYSTEM ERROR EN
CODE AND
MESSAGE ON THE
DISPLAY
DESCRIPTION
Possible causes /
Checks
Solution
ERROR
OUTPUT (**)
E900
TEST FAILED
SECOND STEP
CONTACT TECH.
SERVICE
Error in the second
phase during the
Vacuum Test.
Problem in the door
seal sealing - seal
check.
Thoroughly clean the seal and
the stainless steel door leaf,
reset the alarm and repeat a
test cycle.
Clean the seat of the seal in the
plate.
Check:
- The presence of residues
inside the seal lip.
- The adjustment of the plate
and correct it, if necessary.
2
Problem in the
tightness of reinforced
pipes - check pipes
and connections.
For all the reinforced pipes
connected to chamber, steam
generator, Manifold unit, check:
- The status of reinforced pipes,
in the connection point, the
correct positioning of the pipe
on the fitting.
- That the stainless steel clamp
is present and correctly
tightened.
- To check the tightness, it can
be useful to activate a test
cycle by means of the
SERVICE/TEST CYCLES/NO
VACUUM menu, which allows
to pressurize the system
without performing pre-
vacuum phases.
Problem in the
tightness of Teflon
pipes - checks of pipes
and connections.
For the Teflon pipes connected
to pressure transducer and
safety pressure switch, check:
- The correct fixing of pipes to
the chamber’s rear fittings and
the 2 components.
- The integrity of the Teflon pipe
on the fitting, under the locking
ring nut.
- Restore, if necessary, the
correct fixing by removing the
end part of the Teflon pipe,
previously locked by the
fastening ring nut.
- To check the tightness, it can
be useful to activate a test
cycle by means of the
SERVICE/TEST CYCLES/NO
VACUUM menu, which
pressurizes the system
without performing pre-
vacuum phases.