Example of an alarm query, Resetting the recorded temperature progres- sion – Liebherr MKv 3910 User Manual

Page 8

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20

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.

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