Coltene SciCan BRAVO G4, Technical & Service Manual

Page: 82 / 116

Sterilizers Bravo G4
- TECHNICAL MANUAL
80
ERROR/WARNING-ALARM-HAZARD-SYSTEM ERROR EN
CODE AND MESSAGE
ON THE DISPLAY
DESCRIPTION
Possible causes /
Checks
Solution
ERROR
OUTPUT (**)
H406
PRESSURE BELOW
MINIMUM LIMIT
CONTACT THE TECH.
SERVICE
During the process,
MPX value is too
low.
The pressure is
lower than:
- 1.04 bar (121°C)
- 2.03 bar (134°C)
- 1.86 bar
(132°C/270°F).
The steam generator
does not work properly.
The steam generator is
getting clogged.
Solenoid valve EV6
does not open properly.
The vibration pump
does not work properly.
Check:
- Steam generator.
- Generator heating element
connection wirings.
- EV6 activation.
- Vibration pump.
For the check, it can be useful
to activate the water pump
and EV6 by means of the
SERVICE/COMPONENT
TEST/OTHER
COMPONENTS menu, which
detects air passage through
the generator to the chamber.
See sheet ST01 - Steam
generator.
There is an air leakage
from door seal.
Thoroughly clean the door seal
and the steel door leaf.
Replace the door seal.
Firmware version not
updated.
Check/update autoclave FW
version.
The board is damaged. Replace the PCB.
There is a leakage from
the pipes connected to
the chamber.
Check the pipes connected to
the rear/lower part of the
chamber and the relevant
fasteners.
H410
INTERNAL TIMER
ERROR
CONTACT TECH.
SERVICE
Internal timer error. The PCB is damaged. Replace the PCB.
2
H411
STERILIZATION TIME
ERROR
Sterilization time
error, checked with
double variables.
Board or control software
malfunction.
RESET following the instructions.
Try to restart the program a second
time.
If the problem persists, replace the
PCB.
2
H990
PRESSURE BEYOND
MAXIMUM LIMIT
CONTACT TECH.
SERVICE
MPX too high.
The pressure is
higher than 2.38 bar.
The pressure transducer
is damaged.
Replace the pressure transducer -
see sheet ST4-PRESSURE
SWITCH_MPX.
2
The PCB is damaged. Replace the PCB.