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10
Operation
User Manual
SKOPE Pegasus Vertical Freezer - Integral
Controller
Operation
The operation of this freezer is controlled by a pre-programmed microproc-
essor. The Microprocessor display indicates the temperature of the cabinet
ambient probe, except during a defrost where the temperature of the cabinet
probe is locked in, and during an alarm condition.
At alarm activation, the display indicates the type of alarm signal, and an
audible alarm sounds. The alarm can be muted by pressing the
PRG/mute
key on the controller.
Controller
Alarms
A flashing LED indicates an alarm. The following is a list of alarms the
controller displays:
* NOTE:
Alarm ‘HI’ may activate during initial pull-down cycle, after being
first powered up. The alarm can be muted and will automatically reset when
the cabinet passes the alarm setpoint.
To reset an alarm
Alarm code Description
Faulty ambient probe
Faulty defrost probe
High pressure fault
Low (minimum) temperature alarm
High (maximum) temperature alarm
*
Defrost timed out
Data acquisition failure
1. Clean the condenser radiator fins and remove any obstruction to the airflow.
2. Ensure the cabinet environment is below 32°C.
3. Unplug the cabinet from the power supply for 1 minute, then re-connect to the
power supply.
4. Check cabinet product loading to ensure ventilation slots are not blocked and
that product does not overhang the shelves.
5. If alarm persists, contact a SKOPE authorised refrigeration service agent.