1592001850 XC660D GB r3.4 04.09.2017.docx XC660D 18/55
13. Running hours of loads
13.1 How to display the running hours of a load.
The controller memorizes the running hours of each load.
To see how long a load has been working follow this procedure:
1. Press and release the “MAINTENANCE/CLOCK ( )” key.
2. The LED of the first output is switched on, the Upper Display shows the “HUr” label, while
the Lower Display shows the shows the running hours of the first output.
3. To see the running hours of the following load press the UP key .
To exit: push the key or wait 30 sec
13.2 How to reset the running hours of a load.
1. Display the running hour according to the above procedure.
2. Select the load by pressing the UP key.
3. Push the SET key (immediately on the lower display the rSt label is displayed).
4. Hold pushed the key for some seconds till the “rSt” label starts flashing and the lower display
shows zero.
To exit: push the CLOCK key or wait 30 sec
NOTE: if the SET key is released within 2s, the controller reverts to display the running hours of
the selected loads..
14. Alarm Menu
The controller memorizes the last 20 alarms happened, together with their duration..
To see the alarm codes see par. par. 21.2.
14.1 How to see the alarms
1. Push the Alarm key.
2. The last alarm happened is showed on the Upper display, while the lower display shows its
number.
3. Push again the o key and the other alarm are displayed starting from the most recent.
4. To see the alarm duration and push the SET key.
5. By pushing again the o or SET key the next alarm is displayed.
Alarms erasing.
1. Enter the Alarm Menu.
2. To erase the displayed alarm push the “SET” key till the “rSt” label will be displayed in the
Lower Display,
NOTE the running alarms cannot be erased..
3. To erase the whole Alarm Menu, hold pressed the “SET” key for 10s.
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