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Frequently asked questions

Perform a rescan at the system manager, which will force the controller to scan for the offline devices. If that doesn’t solve the problem, perform secondary checks, including proper EOL termination of the loop and power at the offline devices.

No, only an oscilloscope will supply proper information showing the quality of the signal on the comm loop.

Part number 080Z4009 is the retrofit version of the AK-SM 880, with native LONTP78 communication. Additional part numbers can be found here.

Watch our video for an introduction to AK-CC 210 functionality. 

Flashing icons indicate an alarm condition. For details on what the alarm indicates, press the top button of the case controller for the alarm code. Additional details can be found on the KoolCode app or in paperwork included with the case controller.

Think of parameter r12 as the main switch for case control, so it needs to be set to the “On” position before operation will begin (when set to “Off,” alarm code A45 will be active).

The case controller will continue to display this during the pulldown phase until the case has reached its cut-in temperature.

Press and hold the top button for 5 seconds or until r01 is displayed. Next, use the top button to navigate to “o03.” Then, press the “Set” button and change address from 000 to desired address using top button. When complete, press “Set” button again.

Yes, however for the AK-XM 103A (4AI/4AO) module, firmware version v2.101 or higher must exist in the controller.

Each 255 version requires a matching file on your PC. Previous versions can be found here.

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  • Product photo of the AK-PC 551 pack controller by Danfoss
    AK-PC 551 pack controller
    AK-PC 551 is used for capacity control of compressors and condensers in medium sized refrigeration systems and covers applications with one or two suction groups and a condenser.
  • Product photo of the AK-CC 550 case control by Danfoss
    AK-CC 550
    AK-CC 550 is a flexible case/room controller. AK-CC 550 features energy optimization of the complete case and predefined application types for quick adaptation to different cases or cold room setups.
  • Product photo of the AK-SM 800 Series of system managers by Danfoss
    AK-SM 800 series
    System managers are system components for use together with controllers in ADAP-KOOL® Refrigeration control systems. System managers enable the construction of complex control systems with alarm monitoring and data logging in connection with decentralized refrigeration plants.
  • Product photo of the AKVH electric expansion valves by Danfoss
    AKV electric expansion valves
    AKV are electrically operated expansion valves designed for refrigerating plants. The AKV valves are normally controlled by a controller from Danfoss’ range of ADAP-KOOL® controllers.


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