Use and Care

15
1. Silencing High Temperature, Low Temperature, and Door Alarms
To silence the alarm, press the "-" or "+" button.
For
L
d (door) alarm, the alarm clears once the door is closed or the "-" or "+" button is
pressed.
2. Clearing High Temperature and Low Temperature Alarms
For AH and AL alarms, the red alarm icon
and AH or AL continue to alternate with
cabinet temperature after alarm is silenced. When the temperature returns to setpoint,
follow the steps below to clear the alarm.
1) Press and hold the "-" button until "EnS" appears on the display.
2) Press the "-" or "+" button two times. After pressing the "-" or "+" button the rst time,
"LS" is displayed. After pressing the "-" or "+" button the second time, "rLS" is displayed.
3) Press the "P" button.
4) Press the "-" or "+" button to set the display to "149."
5) Press the "P" button. The display ashes "----" for 4 seconds. The alarm is then clear
and the control board returns to normal operation.
Note: If the cabinet temperature is out of acceptable range, the procedures above only
change the alarm icon
from ashing to steady for 15 minutes.
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 briey on the display.
To unlock the control panel, press and hold the "-" button and the power button until
"UnL" appears briey 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.