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MK LIT (E5) 01/2021 page 83/172
15.3.3 Message and measures in the state of alarm
The state of alarm is indicated visually in Normal display by the alarm message “Safety controller alarm”
and the screen header flashing in red color. If the buzzer is enabled (chap. 13.2.5) there is an additional
audible alert (chap. 13.2.3). The alarm remains active until it is acknowledged on the controller and the
inner temperature falls below the set safety controller setpoint. Then the heating is released again.
Normal display with safety controller alarm.
Press the Alarm icon.
List of active alarms.
Press the Reset alarm icon.
15.3.4 Function check
Check the safety controller at appropriate intervals for its functionality. It is recommended that the author-
ized operating personnel should perform such a check, e.g., before starting a longer work procedure.
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