
MATOS ARIA INSTRUCTION MANUAL
VERISON 2.0 23/08/2018
Page | 10
6.7 Alarms
The Aria controller includes provisions for various alarm conditions:
1.
High temperature limit
2.
Low temperature limit
3.
Door open timer
4.
Probe error
5.
Other
–
contact provider
Alarms may be acknowledged at any time by pressing the ‘alarm mute’ key. This will silence the current
alarm, but leave the alarm active and displayed on the LCD screen.
To clear the active alarm, press the ‘alarm mute’ key once alarm conditions have been restored to normal.
i.e. temperature back within operating range.
Sort of event
Audible
alarm
How to clear
Displayed
message
Temperature sensor fault
Yes
Replacing of temperature
sensor/reconfiguration
E1
High Temperature Alarm
Yes
Temperature decrease
till within range
AL Hi
Low Temperature Alarm
Yes
Temperature increase till
within range
AL Lo
Open door alarm
Yes
Closing door or pressing any button
DOOR
Default Alarm Config
Setting
Delay
Displayed
message
High Temperature Alarm
8.0
10 Min
AL Hi
Low Temperature Alarm
2.0
10 Min
AL Lo
Open door alarm
Yes
60 Sec
DOOR
Note that upon the activation of an alarm condition, the auxiliary alarm terminals located on the back of the
unit will activate. This will stay active until the alarm is cleared via the controller.