EVCO c-pro nano NAV - Manual (Page 31)

C-PRO NANO AND MICRO NAV APPLICATION MANUAL
Page 31
7 DIAGNOSTICS
The application can manage a series of alarm relative to compressors, fans, circuits and system
functionality. On the basis of the various types of alarm a reset can be configured (if manual or
automatic), any signal delay and the actions to be performed in the specific case.
The display alarm icon flashes when one or more alarms are active.
In order to display the various alarms, use ESC to display the "Alar" menu from the main page and
then press ENTER. If ESC is pressed from an alarm page or 60seconds of timeout are waited, go
back to the main application page.
To scroll the various active alarms, press the ENTER key again: the alarms are presented in priority
order, as they are listed in the table of alarms in the following paragraph.
7.1 Manual and automatic alarms
There are two types of alarm, those with manual reset and those with automatic reset. Some of these
can have automatic reset, but become manual if they occur a certain number of times in the hour.
7.1.1 Alarms with automatic reset
If there is an alarm with automatic reset:
⋅
The alarm icon starts to flash
By pressing the ENTER key from the "Alar" menu, the code of the first active alarm is displayed.
Once the conditions for which the alarm has occurred reset the reset and the deletion of the alarm
message has been are reset automatically without user intervention.
The consequences that derive from an active automatic alarm remain valid until to the causes that
have tripped the alarm are reset.
7.1.2 Alarms with manual reset
If there is an alarm with manual reset:
⋅
The alarm icon starts to flash
By pressing the ENTER key from the "Alar" menu, the code of the first active alarm is displayed.
Once the conditions for which the alarm has occurred have been restored, it is possible to rearm the
alarm manually.
To reset manually:
⋅
Position on the page of the alarm to be restored
⋅
Hold the enter key down for about 2 seconds.
At this point, if there are no other alarms, the page indicating "none" will be presented, the alarm
icon will switch-off and the machine will go back to normal functioning or the code relative to the
successive active alarm will be displayed.
The consequences that derive from a manual alarm remain valid until the user deletes the alarm
message.