Dora Metal DM-92121 Kullanıcı Kılavuzu - Sayfa 14

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Explanation:

LAE CONTROLLER WITH BUTTONS - SERVICE INSTRUCTION

Basic operation

The power supply is turned on by means of a rocker switch located on the control panel of the device or by pressing the button

of the controller. The switching condition is signalled by the values of the air temperature in the chamber appeared on the controller's

display.

In order to display and modify the required temperature of the chamber:

 Defreezing (defrosting):

During operation of the device the message "dEF" appears on the display at regular intervals, this means that the device operates in the

defreezing mode of the cooler. The defreezing cycle and its duration are determined by the producer of the device and user does not

affect this parameter. If due to the difficult operating conditions of the device the additional defreezing of the cooler is needed, press and

hold the button

for 2 seconds. The message "dEF" will appear on the display. The defreezing process will stop automatically after

reaching the time or temperature programmed by the producer.

 Alarms:

The meaning of messages that can appear on the display:

E1 - Chamber temperature sensor damaged. The controller will start the device in a time cycle according to the times programmed by

the producer. Defreezing will function normally. Call the service in order to remove the defect.

E2 - Evaporator temperature sensor damaged. The controller will not run the automatic cycle and manual defreezing. In such a case

the only possibility of defreezing the cooler is turn off the device and wait for the natural ice melting on the cooler. Call the service

in order to remove the defect.

dEF - Defreezing cycle activated (see section: Defreezing)

REC - Evaporator drainage after defreezing process

CL - Warning: condenser must be cleaned

Note! Message CL

Clean the condenser, see: page 6 – section: Operation. After cleaning of the condenser follow the below instruction.

In order to turn off the alarm CL reminding that the condenser must be cleaned (every 4 weeks):

- press the button

until the display shows the message CND,

- then holding the button

After these steps the parameter CND is zeroed and the cycle is set up to the beginning.

NOTE! Keypad lock

The most common mistake made by the users involves locking the keypad unintentionally resulting in lack of access to the

controller menu. The non-verification of the locking option setup results in sending the controller back to the distributor as 'damaged'.

The keypad lock allows avoiding the undesirable and potentially dangerous tampering if the controller is installed in an easily accessible

place. In the menu INFO, set the parameter LOC=YES in order to turn on the keypad lock. In order to resume the operation of the

keypad, set the parameter LOC in the value NO.

In order to unlock the keypad

- press the button

until the display shows the message LOC,

- then holding the button

- in order to exit this menu, press the button

Switching the device into the mode ECO

The operation of the device can be quickly changed into the mode ECO (switching the device into alternative

setups). The mode ECO functions most effectively under proper operating conditions of the device (i.e. low door opening

frequency, putting products pre-refrigerated or frozen to the chamber). Under such conditions the function ECO allows

saving a part of energy in relation to the operation with the basic settings. In order to switch between the standard mode



, press the button

or wait 10 seconds.

Press and hold the button

programmed temperature value.

Press and hold the button

Press the button

to increase the temperature value.

Press the button

to decrease the temperature value.

After release of the button

Since then the controller will start running a new programme.

EN - DORA METAL

for half a second to display a current

then:

the newly programmed value is stored.

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