Example of an alarm query, Resetting the recorded temperature progres- sion – Liebherr MKv 3910 User Manual
Page 8
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Example of an alarm query
Situation: HACCP flashes in the display.
Display =
Display = There has not been an alarm status with
a too high or too low temperature. You
must switch to display
.
Display =
Press this button until
appears in the display.
Display = 1 power failure has occurred.
Display =
Display =
Last power failure.
Display =
Year 2014
Display =
Month 05 (May)
Display =
Day 30
Display =
Hour 23
Display =
Minute 14
Display =
The power failure lasted 3 hours.
Press
+
for 5 seconds. The display will read
.
The HACCP LED will now light up permanently.
The electronic control system is now ready for the next alarm.
Press
for 5 seconds.
The electronic control system will switch back to normal operat-
ing mode.
Calling up stored alarm events and reading
the temperature progression
Display =
Scroll through the list using
or
.
Number of temperature alarms
Last temperature alarm
Last temperature alarm but one
Temperature alarm before
Number of power cuts
Last power cut
Last power cut but one
Power cut before
Period in hours in which the maximum and minimum interior
temperatures were measured
Maximum (highest) measured temperature
Lowest measured temperature
Select the required item using the
button. Press this button
again to return to the list.
Note: You can exit the menu at any time by pressing
for 5
seconds.
If no button is pressed within 60 seconds, the electronic control
system switches back automatically.
Resetting the recorded temperature progres-
sion
Complete the following steps if you wish to reset the value saved
for
in the previous section to 0.
Display =
Press the button
or
until
appears in the display.
Display = -
Press
for 5 seconds. Display =
.
The values for
and
(highest and lowest measured interior
temperature) are then reset to the current interior temperature.
Press
for 5 seconds.
The electronic control system will switch back to normal operat-
ing mode.