Events Masks; Events Table - Mitsubishi Electric s-MEXT-G00 006 Technical Manual

TM_s-MEXT_ME28relC_00_12_19_EN
2.8

EVENTS MASKS

Press the [ALARM] key once to enter the "Alarm" menu and view the event messages along with their codes.
If there is more than one event, scroll the menu using the [UP] and [DOWN] keys. Press any other button to exit this menu.
In order to reset an event, press the [ALARM] key another time. The event will be reset only if the condition that caused it has been solved. The event otherwise remains
active.
By pressing the [ALARM] key, no events being there for display, the system shows the message "No Alarm detected".
For every type of alarm, the following properties are defined:
•
Type of Event: Reports the presence of a Signal (S) or an Alarm (A).
•
Type of Reset: Indicates whether reset is Manual or (MANUAL) or Automatic (AUTO).
•
Location: Reports where in the unit the alarm has taken place.
•
Action: Indicates where the block caused by the alarm is located.
With regard to the Type, the parameters of some events may be set and it is possible to define whether the reset should be Manual or Automatic, as well as define the
maximum number of interventions after which the alarm will automatically switch to Manual reset.
2.8.1

Events table

Letters Display description
Key to "Type of Event" column
A A###
S
S###
S###
S/A
A###
S* S###
Key to Type of Reset" column
A Type:AUTO
M Type:MANUAL
Type:AUTO
A/M
Type:MANUAL
Type:AUTO
A->M
Type:MANUAL
Key to "Position" column
CO Location:COMPR
CI Location:CIRC
U Location:UNIT
P Location:PLANT
Key to "Action" column
NO
U Action:UNIT
NO/U
Action:UNIT
CI Action:CIRC
CO Action:COMPR
HU Action:HU
EH Action:EH
FN
Action:FN
Key of the "Action" column for the "Function" category
FC
FC Ind
Not
Lim
Displayed
HU
DH
The descriptions and codes of the events are given on the following pages.
Technical manual
Description
Alarm with resource/unit block. Sets the "alarm cumulative".
Display signal. Does not set the "alarm cumulative".
Signal or Alarm. One mode or the other may be selected from the parameter. The "alarm cumulative" is set in the case
the event is an alarm.
Display signal with "alarm cumulative" setting.
Automatic rearm (if the condition causing the alarm disappears, the alarm resets automatically).
Manual rearm (if the condition causing the alarm disappears, the alarm must be reset from the keyboard).
Automatic reset if the type of reset set in the parameter is automatic.
Manual reset if the type of reset set in the parameter is manual.
Automatic rearm alarm for the first "N" interventions, then manual.
Alarm / Signal involving the compressor.
Alarm / Signal involving the cooling circuit.
Alarm / Signal involving the unit.
Alarm / Signal involving the system
No block.
Unit block.
No Block if the type of reset set in the parameter is automatic.
Block of the unit if the type of reset set in the parameter is manual.
Block of the cooling circuit involved in the event.
Block of the compressor involved in the event.
Block of the humidifier.
Block of the electric heater or heat resource involved in the event.
Block of the function involved in the event.
Block of the Free Cooling function
Block of the Indirect Free Cooling function (FC unit).
Block of the function regarding the output air temperature limit.
Block of the humidity control function.
Block of the dehumidifier control function.
64
TRANSLATION OF THE ORIGINAL INSTRUCTIONS