C6.1.6/0613-0915/E 23
2.14 Troubleshooting
2.14.1 Alarm menu
The controller records in the Alarm menu the total number of alarm activations (max 50)
according to the alarm list in Appendix 5.
Push and release the ALR key.
The menu to change the section will be entered. The
alarm list section is active.
Press SET to confirm. The following list will be
available to select the proper network function.
Select active alarm
code from list
Scroll the list of alarms and see the list of active
alarms with the number of the alarm (letter + number,
A01-A50).
Press to see the alarm name or code.
Press to see the next active alarm.
Select the alarm to
see the detailed rtC
information
Enter the sub menu with alarm time details.
Select detailed
information from
active alarm list
With the rtC activated:
The Hur (hour) parameter is displayed.
Press to see the alarm hour.
Press : Min is displayed.
Press to see the alarm minute.
Press : dAy is displayed.
Press to see the alarm day.
Press : Mon is displayed.
Press to see the alarm month.
Press : YEA is displayed.
Press to see the alarm year.
Note: The clock info indicates the START time of the
alarm.
Without the rtC activated:
The COn (hours) parameter is displayed.
Press to see the compressor working hours.
To exit: press or wait for 15 seconds without
pressing any key.
Press simultaneously or wait for about 10
seconds without pressing any key.
Table 23: How to check the alarm list
2.15 Compressor motor protection
The electronic controller protects the compressor motor against the following:
over current;
phase loss;
incorrect phase rotation.
If the compressor motor current exceeds a predefined (non-adjustable) current limit, the
electronic controller shuts down the unit and generates an error signal. For this function two of
the main phase supply lines to the compressor (compressor via the contactor) are routed
through the current sensors.
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