IS792 ECN 4879
Page 24 of 37
•the critical value
•the date and time at which the alarm occurred
•the alarm duration (from 1 minute to 999 minutes, " - - -" if the alarm is ongoing).
CODE ALARM TYPE (AND CRITICAL VALUE)
Er0
Cabinet probe error
(the temperature of the cabinet when
the alarm condition occurred)
Er1
Evaporator probe alarm
(the maximum cabinet temperature
during the alarm condition)
Er3
Needle probe alarm
(the maximum cabinet temperature
during the alarm condition)
Er4
Condenser probe alarm
(the maximum cabinet
temperature during the alarm condition)
AL
Minimum cabinet temperature alarm
(the minimum cabinet
temperature during the alarm condition)
AH
Maximum cabinet temperature alarm
(the maximum
cabinet temperature during the alarm condition)
Ht
Condenser temperature alarm
(the maximum cabinet
temperature during the alarm condition)
d - r
Micro port input alarm
(the maximum cabinet temperature
during the alarm condition)
HP
High pressure input alarm
(the maximum cabinet
temperature during the alarm condition)
LP
Low pressure input alarm
(the maximum cabinet
temperature during the alarm condition)
HA
Compressor thermal protection input alarm
(the maximum
cabinet temperature during the alarm condition)
PF
Power failure alarm
(the cabinet temperature on restoration
of power)
4.13 VIEWING HACCP ALARM INFORMATION
Viewing HACCP alarm information:
•ensure the device is in "off" mode and no procedures are running
•press
B12
for 5 s: display DY1 will show "Prt".
To select an alarm:
•press
B4
or
B6
display
DY1
will show the number of the alarm (for
example "n03") and display DY2 will show the relevant code (for example "AH", or
one of the codes
reported in the table in section 5.1; the lower the number, the older the alarm itself).
To display the information relating to the alarm:
•press
B3
repeatedly: the display will show the following information in
sequence (for example):