
MK / MKT (E5) 04/2022 Page 4/164
11.1.1 Notifications ............................................................................................................................70
11.1.2 Alarm messages .....................................................................................................................71
11.2 State of alarm....................................................................................................................................71
11.3 Resetting an alarm, list of active alarms ...........................................................................................72
11.4 Activating / deactivating the audible alarm (alarm buzzer) ...............................................................72
12. TEMPERATURE SAFETY DEVICES................................................................... 73
12.1 Over temperature protective device (class 1) ...................................................................................73
12.2 Overtemperature safety controller class 2 ........................................................................................73
12.2.1 Safety controller modes ..........................................................................................................73
12.2.2 Setting the safety controller ....................................................................................................74
12.2.3 Message and measures in the state of alarm.........................................................................75
12.2.4 Function check........................................................................................................................75
12.3 Over/under temperature safety device class 2 (option) ....................................................................76
13. USER MANAGEMENT......................................................................................... 77
13.1 Authorization levels and password protection...................................................................................77
13.2 Log in.................................................................................................................................................80
13.3 Log out ..............................................................................................................................................81
13.4 User change......................................................................................................................................81
13.5 Password assignment and password change...................................................................................82
13.5.1 Password change ...................................................................................................................82
13.5.2 Deleting the password for an individual authorization level....................................................84
13.5.3 New password assignment for “Service” or “Admin” authorization level when the password
function was deactivated ...................................................................................................85
13.6 Activation code..................................................................................................................................86
14. GENERAL CONTROLLER SETTINGS................................................................ 87
14.1 Selecting the controller’s menu language.........................................................................................87
14.2 Setting date and time ........................................................................................................................87
14.3 Selecting the temperature unit ..........................................................................................................89
14.4 Display configuration.........................................................................................................................89
14.4.1 Adapting the display parameters ............................................................................................89
14.4.2 Touchscreen calibration..........................................................................................................90
14.5 Network and communication.............................................................................................................91
14.5.1 Serial interfaces ......................................................................................................................91
14.5.2 Ethernet ..................................................................................................................................92
14.5.2.1 Configuration .....................................................................................................................92
14.5.2.2 Display of MAC address ....................................................................................................93
14.5.3 Web server..............................................................................................................................93
14.5.4 E-Mail......................................................................................................................................94
14.6 USB menu: Data transfer via USB interface .....................................................................................95
14.7 Turning off the interior lighting automatically ....................................................................................96
15. GENERAL INFORMATION .................................................................................. 96
15.1 Service contact page.........................................................................................................................96
15.2 Current operating parameters ...........................................................................................................97
15.3 Event list............................................................................................................................................98
15.4 Technical chamber information.........................................................................................................98
15.5 Self-test function (MK 56)..................................................................................................................99
16. CHART RECORDER DISPLAY ......................................................................... 101
16.1 Views...............................................................................................................................................101
16.1.1 Show and hide legend ..........................................................................................................101
16.1.2 Switch between legend pages ..............................................................................................101
16.1.3 Show and hide specific indications .......................................................................................102
16.1.4 History display.......................................................................................................................102
16.2 Setting the parameters....................................................................................................................105
17. NOTES ON REFRIGERATING OPERATION .................................................... 106