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b) the alarm has occured
41˚/5˚
50˚/10˚
59˚/15˚
68˚/20˚
77˚/25˚
Temperature ˚F/˚C
Critical temperature
Critical temperature
17:00
18:00
16:00
19:00
20:00 21:00
22:00
time
HOW TO CHECK IT?
display: is showing the label “TEMP”
buzzer: ON sound alarm
WHAT IS RECORDED?
Press
HACCP
: the buzzer is going OFF; then press
again for 5 seconds and the alarm is showed (AL1).
Press
HACCP
again: maximum temperature inside,
starting and ending time and date of the alarm are shown by a
rolling label: “TEMP 78.8F/26C Start 17.05 10-10-99 End----”.
To have access to recorded HACCP alarms press
HACCP
button for 4 seconds; now the display visualizes
HISt and then AL_1 (symbol of the alarm); this shows the last
maximum chamber temperature alarm stored in the PCB.
Press
HACCP
button to visualize the value of last
maximum chamber temperature alarm. Now in the display we
visualize:
- TEMP 78.8F/26C (type and value of maximum chamber
temperaturealarm)
- Start time and date (starting date and time of alarm)
- End time and date (ending date and time of alarm)
Press
HACCP
button to return to visualize the symbol of
the alarm (AL1). Press
HACCP
button to visualize the
next maximum chamber temperature alarm. If nothing is
pressed within 10 seconds we go out from HACCP section.
· HOW TO CHECK THE OLD ALARMS?
Keep pressed the button
HACCP
: the display shows
AL1 (the last alarm); to select all the other alarms (AL2, AL3, ...)
press .
· HOW LONG ARE THE ALARMS RECORDED?
Forever, or better, until the memory is out of space (maximum
number of recorded alarms: 99).
C.1.7.3 SERVICE ALARMS
To have access to SERVICE ALARMS press
button for 4 seconds; now the display visualizes the first
SERVICE ALARM stored in the electronic board, for example
“b1” (door open). Press the
button to visualize
the next SERVICE ALARM stored in the electronic board. If the
electronic board has not stored other SERVICE ALARMS, the
display visualizes “----”. If nothing is pressed within 5 seconds
we go out from SERVICE ALARMS.
· HOW LONG ARE THE ALARMS RECORDED?
Until you have seen the complete alarms list recorded. After
that, they will remain stored ‘till a new alarm occurs: the reset
will be automatic.
· HOW TO FIND AN ALARM?
- blinking led of alarm button
- buzzer ON (sound alarm)
· HOW TO CHECK THE ALARMS?
Keep pressed the button
: the display is showing
the last alarm (a label) occured and the buzzer is going OFF. In
order to reset the alarm, press
until the display
shows “----”.
C.1.7.4 SERVICE ALARMS LIST
· Type “b” service alarms
Missing supply
Wrong plug positioning
Door is open
Microswitch is broken
Reset HACCP memory
The condenser is dirty
Condenser fan is broken
b1
b2
b3
b4