Coltene SciCan BRAVO G4, Technical & Service Manual

Page: 74 / 116

Sterilizers Bravo G4
- TECHNICAL MANUAL
72
ERROR/WARNING-ALARM-HAZARD-SYSTEM ERROR EN
CODE AND
MESSAGE ON THE
DISPLAY
DESCRIPTION
Possible causes /
Checks
Solution
ERROR
OUTPUT (**)
A257
ATM3 UPSTROKE
TIMEOUT
CONTACT TECH.
SERVICE
The 3 st pressure
pulse does not
achieve 0.00 bar
within timeout.
Steam generator water
injection pump problem -
device check.
Steam generator clogging
problem - device check.
Check:
- Filling tank filter and water injection
pump inlet filter.
- Correct activation of water pump
and opening of EV6.
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.
- Presence of any leakage on the
water pump and generator
connecting pipes.
- Replace vibration pump
Perform steam generator
maintenance - see sheet ST01.
2
Generator heating
problem - device check.
Check the safety thermostat and reset
it if necessary.
Check steam generator heating
element.
See ST01 - steam generator sheet.
Manifold solenoid valve
sealing problem -
component check.
Check:
- Correct supply and sealing of EV1
and EV3.
- MANIFOLD - see sheet ST02.