Liebherr MKUv 1610 User Manual download pdf (Page 7)

Alarm messages

1. LED ﬂashes

appears in the display, the appliance has a fault.

Consultyournearestcustomerservicepoint.

2. LED

ﬂashes and appears in the display

The power failure alarm battery is supplying too low a voltage

or is defective.

Consultyournearestcustomerservicepoint.

3. LED

ﬂashes, the display reads HI or LO

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

The audible warning signal sounds.

4. HACCP flashes - the current interior temperature,

and

are displayed alternately

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.

Audible warning signal settings

The audible warning signal will be muted for the current alarm

after the button

has been pressed.

Complete the following stepsifyouwantthe audible warning

signal to reactivate automatically.

Press

for5seconds.Display=

Display=

Automatic reactivation of the audible warning signal is now active.

The time before the audible warning signal sounds again must be set.

Display=

Display= Time in minutes after which the audible

warning signal will sound again after the

button

has been pressed. Setting

range=1-120minutes.

Use buttons

and to select the desired setting.

Display=

Press for 5 seconds.

Theelectroniccontrolsystemwillswitchbacktonormaloperat-

ing mode.

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Liebherr MKUv 1610 User Manual Page 7

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