Alarms; Alarms Interface - Carel kVent Manual

7.1 Alarms interface

7.1.1 Alarms screen and LEDs
Pressing the ALARM key can occur in two different situations - no
alarm or one alarm present.
If there is no alarm, the following screen is displayed:
This screen makes it possible to easily enter the alarms log using
the ENTER key.
If there is at least one alarm, the alarms screen is displayed sorted
by alarm code from lesser to greater.
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Each alarm contains the information needed to understand the
cause of the alarm.
The information available in the screen is shown below:
1. Alarm number/total alarms;
2. Alarm date and time;
3. Unique alarm code;
4. Long alarm description;
5. Value of the probe linked to the alarm;
6. Alarm counter.
In every alarm screen, the alarms log can be displayed by pressing
ENTER.
The red LED under the ALARM button can be:
•
Off: no active alarm;
kVent – rel 3.1 – 22/06/2018
7.

ALARMS

•
Flashing: there is at least one active alarm and the display
shows a screen that is not part of the alarms loop.
•
On: there is at least one active alarms and a screen that is
part of the alarms loop is displayed.
7.1.2
From the main menu, entering the Alarms Log menu allows access
to the following alarms log display screen.
The alarms log memorizes the kVent operation status when the
alarms are triggered. Each log entry is an even that can be
displayed from among all of the events available in the memory.
The information saved in the alarms screen will also be saved in
the alarms log. The maximum number of events that can be saved
is 100. Once the limit is reached, the most recent alarm will
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overwrite the oldest one. The alarms log can be cleared in the
Settings menu or by restoring the cpCO to default values.
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7.1.3
The alarms can be reset manually, automatically or automatically
with retries:
•
Manual reset: when the cause of the alarm has stopped, the
buzzer must first be reset using the ALARM button and then
the ALARM button pressed a second time for a true reset. At
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this point, even the specific alarm action is reset and the
device can restart.
•
Automatic
automatically, the buzzer is silenced and the alarm reset.
•
Automatic reset with retries: The number of interventions per
hour is checked. If that number is less than the set maximum,
the alarm is on automatic reset, once the limit is exceeded it
becomes manual.
7.1.4
To reset the alarms setup in manual reset by the TH-tune display
is needed to press togheter the TH-tune button "Fan"
+ On/Off for 3s.
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Alarms log
Reset alarms
reset: when the
Reset alarms by TH-tune
alarm condition stops