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9
Controller Alarms
If alarms persist, contact the manufacturer or an approved service agent.
Code
Alarm Type
Corrective Action
HA
Cabinet high temperature alarm
•
Check if there is adequate ventilation
•
Check if there is free circulation of air
inside the cabinet
•
Check and clean condenser coil and fan
•
Check if door is shut
LA
Cabinet low temperature alarm
P1
Cabinet probe failure
•
Unplug the unit for 1 minute then
reconnect to power
MAX/MIN temperature recording
IMPORTANT:
Record the maximum and minimum temperatures two (2) times a day.
Recordings should be taken before the first door opening of the day.
MIN Temperature
i. Press the arrow key.
ii.
The
‘Lo’
message will be displayed followed by the minimum temperature recorded.
iii. Press the arrow key again or wait 5 seconds – the normal display will be displayed.
MAX Temperature
i. Press the arrow key.
ii.
The
‘Hi’
message will be displayed followed by the maximum temperature recorded.
iii. Press the arrow key again or wait 5 seconds – the normal temperature will be
displayed.
Reset MAX/MIN temperature recorded
i. While the MAX or MIN temperature recorded is displayed – press the key for more
than 3 seconds. The
‘rSt’
message will be displayed.
ii.
The
‘rSt’
message will start blinking and the normal temperature will be displayed.
