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6.6. TEMPERATURE CYCLE IN PROGRESS
The display shows the temperature detected by the core probe.
At the start of blast chilling, the device performs a test to verify the correct positioning of the needle probe, com-
paring the temperature of the same with that detected by the chamber probe, if it is greater, start the cycle. If the
test is negative, the cycle is still started. But after 7 minutes the test is repeated, if positive it continues the cycle
normally, if negative the cycle passes by time, 90 minutes for the positive 270 for the negative one. In addition,
the SnP alarm is activated and the alarm LED icon flashes alternately with the remaining time.
Every minute scrolls the wording cool if positive, chill if negative, deep if at -35 °C and flashes indicating the
elapsed time.
6.7. CONSERVATION CYCLE IN PROGRESS
At the end of the positive blast chilling phase there is the automatic passage in conservation at a determined tem-
perature (default 0 ° C). At the end of the negative blast chilling phase there is the automatic passage in conser-
vation at a determined temperature (default -25 ° C).
During storage, the display shows the chamber temperature. Pressing Up displays the needle temperature for 5
seconds. Pressing Down displays the duration of the last blast chilling cycle just ended.
6.8. ALTERNATIVE VIEWS
During both the manual and automatic cycles, pressing the Up key displays the chamber probe temperature when
the key is pressed, releasing it returns to the normal display for the cycle in progress.
Pressing the Down key displays the time elapsed since the beginning of the cycle for 5 seconds. A time of 3 min
is indicated as 003. If the machine is in conservation, the duration of the cycle just ended (before storage) is dis-
played.
6.9. END OF PROGRAM
The STOP phase occurs Stop/Start during program execution, or during conservation.
In this phase the set program is displayed.
Automatically at the end of the cycle it goes into conservation.
7.0. FUNCTIONS
7.1. DEFROST FUNCTION
Defrosting during the conservation phase is normally carried out in a continuous cycle, or manually by the user
with the door open, with the controller in the OFF state.
By pressing the Down key for 4 seconds, during this phase the string "dEF" appears on the display.
The end of a program determines the automatic transition to conservation.
In addition to the timeout, the cycle can be interrupted like the other programs by pressing the Stop button.
Opening the door has no influence on the execution of the defrost, i.e. it is performed anyway, without checking
the status of the door.
7.2 VOLTAGE FALL
After a power failure, the state in which the board was before this event is restored.
A blast chilling phase interrupted by a voltage drop is reset from zero, i.e. the count of the execution time restarts
from the beginning (also for the automatic cycle).
The conservation phase however reports the blast chilling history, i.e. the duration of the last cycle, which is kept
after the power returns.
If a program that has timed during execution is in progress (for the needle probe failure, see below, after a power
down in blast chilling, the program resumes in time.
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