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1.4.2 Protection against unbalance
The suspended aseptic or CS machines are fitted with one or two unbalance
protections, according to their load capacity. These avoid excessive oscillations caused
by a strong unbalance by interrupting the centrifugal motion.
Effect of the protections in case of a strong unbalance
• During the final centrifuge, the centrifugal motion is interrupted and the drainage
is maintained, but the cycle is frozen. The message “E9 or unbalance fault” is
shown on the display. One must restart the cycle and move fast forward through
the program to arrive at the centrifuge phase again.
1.4.3 Heater protection
The bath heating system is not switched on unless the pressure meter, installed for this
purpose, detects the correct water level.
1.4.4 Security related to gas heating system
Four security systems guarantee the correct operation of the system.
• When no flame is detected in the burner, the igniter and control plug of the flame
causes the closure of the electronic valve in the gas feed, while message “E13”
appears on the micro control display. After waiting for about 20 seconds you may
then restart the system by a key combination for machine with micro control. If
the default appears again, one of the following faults has occurred:
o No gas feed: check whether the gas feed valves are open.
o Igniter plug broken.
• The thermostat (chimney obstructed” interrupts the power supply to the
command module, in case the chimney is obstructed, and informs you of this
fault on the terminal display showing “E10 or chimney obstructed”. After several
minutes, you may restart the cycle by pressing “start”. Check your chimney when
the fault persists.
• The thermostat “heating security” also interrupts the command module when the
temperature in the heater is abnormal and informs you of this fault on the
terminal display showing “E11 or heating security”.
• The thermostat “water failure security” also interrupts the command module when
the heating element overheats and informs you of this fault on the terminal
display showing “E12 or water failure security”.