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F. Control Panel Lockout
The control panel can be locked to help prevent the unit from being turned off or the
setpoint from being changed inadvertently.
To lock the control panel, press and hold the "-" button and the power button until "Loc”
appears briefly on the display.
To unlock the control panel, press and hold the "-" button and the power button until "UnL”
appears briefly on the display.
G. Door Lock
The unit has a door lock located under the control panel to help prevent unauthorized
access to the cabinet interior. Two keys are provided in the accessory bag.
H. Defrost
1. Automatic Defrost
This unit uses an off-cycle, time-initiated/time-terminated defrost. It defrosts once
every 6 hours for 30 minutes. During defrost, the defrost icon appears on the display.
The compressor is de-energized and the evaporator fan runs normally. The cabinet
temperature is displayed during defrost.
2. Manual Defrost
To initiate a manual defrost, press and hold the "+" button until the defrost icon appears
on the display. Defrost lasts for 30 minutes. During defrost, the defrost icon appears on
the display. The compressor is de-energized and the evaporator fan runs normally. The
cabinet temperature is displayed during defrost.
I. Cooling Performance
Be sure the unit is properly installed and located for optimum cooling performance. If
cooling performance is not at its optimum level, check the following items:
• Door opened too often.
• Door left open. Close.
• Too tightly packed or cabinet air inlet/outlet blocked. Allow some space between items
to ensure good air flow.
• Ambient temperature too high. Avoid installation near high heat producing equipment or
exposure to direct sunlight.
• Temperature setpoint too high. Readjust it to a lower temperature.
• Unit in defrost process. The cabinet temperature may rise temporarily during the defrost
cycle, but this will not affect the items inside.
J. Cabinet Condensation
In the event condensation develops on the cabinet exterior, check the following items:
• Door left open, close.
• Ambient humidity too high. In high humidity areas it may be necessary to wipe off the
cabinet frame occasionally.
