Liebherr 7083 247-00 Alarm messages, Alarm test, Adjusting the alarm parameters

Page 6

Alarm messages

1. LED flashes

If appears in the display, the appliance has a fault. Consult your nearest customer service point.

2.LED flashes, the display reads HI or LO

The interior is too warm (HI) or too cold (LO).

The audible warning signal sounds (unless the audible warning signal function has been deactivated).

Note

The alarm parameters can be adjusted. See Adjusting the alarm parameters.

3. HACCP flashes

There has been a power cut of some length or the interior was too warm or too cold during a certain period of time.

Up to three alarm events can be stored and called up.

Alarm test

This test checks the function of the internal and any external connected alarm device.

The appliance does not stop its refrigerating function during this test.

Activating the test

Press + for 5 seconds.

The display will change to a temperature value of 0.2°C below the set upper alarm limit.

The temperature value will now rise by 0.1°C every 2 seconds.

When the upper alarm limit is reached, will appear in the display. An external alarm unit connected to the floating alarm output will now be activated.

The temperature value will continue to rise up to 0.2°C above the upper alarm limit.

The same process will take place automatically for the lower

alarm limit. will appear in the display.

The LED will be lit during the test.

The electronic control system will automatically switch back to normal operating mode.

Cancelling the test prematurely

Press for 5 seconds.

Note

If the values of the upper and lower alarm limit (AL and AH in the section entitled "Adjusting the alarm parameters") are set to 0, and will appear in the display during this test.

Adjusting the alarm parameters

The alarm limits (difference to the set temperature) and the alarm delay (delay until alarm goes on) can be adjusted.

Press for 5 seconds. Display = Display =

Display =

Display =

Display =

Display =

Display = Lower alarm limit

Display = temperature difference in °C

Use buttons and to select the desired setting.

Display =

Display =

Upper alarm limit

Display = temperature difference in °C

Use buttons and to select the desired setting.

Display =

Display =

Display = alarm delay in minutes

Use buttons and to select the desired setting.

Display =

Press for 5 seconds.

The electronic control system will automatically switch back to normal operating mode.

18

Image 6
Contents 7083 LKUvRange of appliance use Appliance dimensionsDisposal notes Description of the applianceSafety instructions and warnings Setting upAudible warning signal Switching the appliance on and offSetting the temperature Door open alarmAudible warning signal settings Setting the delay time for the door open alarmDeactivating the audible warning signal function Display =Alarm messages Alarm testAdjusting the alarm parameters Resetting the recorded temperature progres- sion Example of an alarm querySituation Haccp flashes in the display Display = Calibrating the control sensor standard sensor for Calibrating the product sensorActivating the sensor Resetting the parameters to factory settings Setting the real time clockChanging the network address Cooling Safety lockSetting the display indication for the defrost phase DefrostingOpening for external temperature sensor CleaningDo not use steam cleaners because Risk of injury and damage MalfunctionsRS485 interface External alarmFloating alarm output Rx- / TxVersion Installation dimensions mmChanging over door hinges Unscrew the hinge bracket