Danfoss AK-CC55 User Manual page 36

AK-CC55 Single Coil and Single Coil UI
Figure 42: Operating via AK-UI55 Set
Lights up in event of:
Energy optimization
Cooling
Defrosting
Fan operation
Table 13: Messages provided by the display
Display readout Denomination
-d- Defrost is in progress
Err The temperature cannot be displayed due to a sensor error
Err1 The display cannot load data from the controller. Disconnect and then reconnect the display
Err2 Lost display communication
ALA The alarm button is activated. The first alarm code is then shown
- - - At top position of the menu or when max. value has been reached, the three dashes are shown in the top of the display
- - - At bottom position of menu or when min. value has been reached, the three dashes are shown in the bottom of the display
Loc The menu operation is locked. Unlock by pressing (for 3 seconds) on the 'up arrow' and 'down arrow' simultaneously
UnL The menu operation is unlocked
- - - The parameter has reached min. or max. limit
PS A password is required for access to the menu
Fan Appliance cleaning has been initiated. The fans are running
OFF Appliance cleaning is activated and the appliance can now be cleaned
OFF The main switch is set to Off
SEr The main switch is set to service / manual operation
CO2 Flashes: Will display in event of a refrigerant leakage alarm, but only if the refrigerant is set up for CO
Factory setting
If you need to return to the factory-set values, do the following:
• Cut off the supply voltage to the controller
• Keep up "∧" and down "∨" arrow buttons depressed at the same time as you reconnect the supply voltage
• When FAc is shown in the display, select "yes"
 NOTE:
The OEM factory setting will either be the Danfoss factory settings or a user defined factory setting if one has been
made.
The user can save his setting as OEM factory setting via parameter o67.
© Danfoss | Climate Solutions | 2021.02
Lights in event of alarm — press on alarm button — alarm relay is reset — alarm code displayed — e.g. "A1"
Long press (3 seconds) gives access to the
information menu "InF"
Up arrow / Down arrow / Arrow to left:
Navigation in the menu and setting of values.
Long press (3 seconds) will start a defrost,
"-d-" is shown in the display.
Ongoing defrosting can be stopped by a long press.
SET:
Long press (3 seconds) gives access to the "SEt" menu.
If the operation is locked with a password, "PS" is shown. Enter the code.
Shows the setting for a chosen parameter / saves a changed setting.
Short press gives access to entering of the thermostat's cut-out limit.
BC364229688105en-000101 | 36
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