
SERENA P GB-R04 del 03-07-17
00/Per Bertani/Manuali d’uso Serena/ Serena con stampante
58/99
9.0 ALARM CODES
Warning! Never turn off the machine during ALERT! To remove the alarms simultaneously
press the Down and the UP arrow - for at least 5 seconds!
To open the door, proceed going to the OPTIONS menu and select OPEN DOOR. Then press START
twice.
ALARM
CODE
DESCRIPTION
CAUSES
ACTIONS
AL0002
Load not
sterile
Lack of networking with sterilization cycle in
progress
-Interruption of the
cycle in progress in a
voluntary manner
-Lower-voltage below
190v
-Check that the plug of the
studios is efficient
-Check the power behind the
equipment
-Repeat-the sterilization
AL0002
sterile load,
drying
interrupted
Lack of networking during the drying phase
-Defective switch
-Check that the plug of the
studios is efficient
-Check the power behind the
equipment
-Repeat-the sterilization
AL0003
Door open during the sterilization cycle
Micro-control defective
door - see attached
picture
-Check the efficiency of micro-
1-2-3 with a tester
-Only authorized technicians
AL0004
Lack of water during the cycle
Resistance is not working
Injection pump is not working
-Volumetric dispenser
broken
-Cable not properly
connected
-Excessive
consumption of water-
-Group-filter obstructed
evaporator
-Drop-pump
performance
-Cable-resistance is not
connected
-Resistance burned
-Electrovalve-vaporizer
is not working
-Replace the dispenser
-Connect the cable properly
-Check for water leaks
Replace the filter
-Repeat the sterilization
-Check if the problem occurs
both in the cycle and in the
134° 121°. If it does not occur in
the cycle 121°, replace the
pump .
-Connect the cable resistance
-Replace the resistance if was
burned
AL0005
The compensation time between
depression maximum and minimum is
higher than 1 minute
-Bacterial filter
obstructed
-Electrovalve bacterial
filter not working
-Replace the bacterial filter no.
20 with an original one
-Replace the electrovalve no. 7
AL0006
Excessive consumption of water during the
cycle
Connections with any
loss
Electro valves with
losses
Resistance to external
band interrupted
-Check and / or replace fittings
- Check and / or replace
electrovalves
- Check that the resistance is
not burned
AL0017
AL0018
AL0022
AL0023
Excessive temperature during sterilization.
t1
Low temperature during sterilization. t1
Excessive temperature during sterilization.
t2
Low temperature during sterilization. t2
-Loss of steam during
the sterilization phase
-Breakage of the
electronic card-Triac
-Check if inside probes are
intact, or if they touch the
material present in the chamber
-If the problem persists, contact
your service centre
-Only authorized technicians
AL0027
Excessive pressure during the sterilization
-Presence of air in the
chamber
-Check that drains are not
blocked