Coltene SciCan BRAVO G4, Technical & Service Manual

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Sterilizers Bravo G4
- TECHNICAL MANUAL
EN ERROR/WARNING-ALARM-HAZARD-SYSTEM ERROR
55
CODE AND
MESSAGE ON THE
DISPLAY
DESCRIPTION
Possible causes /
Checks
Solution
ERROR
OUTPUT (**)
E020
DOOR CLOSING
ERROR
CONTACT TECH.
SERVICE
Door lock system
(closing) activation
timeout exceeded.
Closed door detection
microswitch fault -
microswitch check.
Check the correct operation of
the microswitch by means of the
SERVICE/COMPONENT
TEST/DOOR menu.
Replace the microswitch - see
the technical sheet ST03 -
DOOR CLOSING UNIT.
1
(then new
attempt to
turn off)
Closing system safety
pressure switch fault -
pressure switch check.
Analyse continuity between the
connection points of white
cables to check the correct
closing of the pressure switch
contact.
Replace the pressure switch –
see technical sheet ST04 -
PRESSURE TRANSDUCER -
SAFETY PRESSURE SWITCH.
Door closing
servomotor fault -
servomotor operation
check.
Check:
- Correct operation of the
servomotor by means of the
SERVICE/COMPONENT
TEST/DOOR menu.
Replace the gearmotor - see the
technical sheet ST03 - DOOR
CLOSING UNIT.
Problem when
screwing crossbar
threaded
bushing/servomotor
worm screw - correct
screwing check.
Check:
- Lubrication and integrity of the
threads of the 2 components.
- Correct positioning of door
seal.
Replace:
- Motor worm screw - see the
technical sheet ST03 - DOOR
CLOSING UNIT.
- Crossbar threaded bushing.
E021
DOOR OPENING
ERROR
CONTACT TECH.
SERVICE
Door lock system
(opening) activation
timeout exceeded.
Door microswitch fault
- microswitch check.
Check:
- Correct operation of the
microswitch by means of the
SERVICE/COMPONENT
TEST/DOOR menu.
Replace the microswitch.
1
(then new
attempt to
turn off)
Door closing
servomotor fault -
servomotor operation
check.
Check:
- Correct operation of the
servomotor by means of the
SERVICE/COMPONENT
TEST/DOOR menu.
Replace the gearmotor - see the
technical sheet ST03 - DOOR
CLOSING UNIT.
Door rotating problem
when opening - hinge
check.
The door does not rotate during
the closing phase and does not
unlock the microswitch.
Check the door hinge and
lubricate it if necessary.