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Humidity Control Pad
• The refrigerator is designed to optimally operate in most home environments. In some demographics the refrigerator
may not be able to prevent moisture from developing in the door mullion area. The home owner can turn on the Mullion
Heater with this feature. The corresponding LED will turn on indicating that the feature is active (Mullion Heater On). The
heater will then cycle with the compressor. Pressing the key again will turn off this feature as well as the associated status
LED. Turning the heater off will save energy.
• There are only two states associated with this switch: On and Off. However, in the On state, there are two modes
of operation. The rst mode is as described above; the Mullion Heater will cycle with the compressor. The second mode is
on 100% of the time. Changing to this mode can only be done through the Service Mode. After this change, pressing this
key will still toggle the feature On/Off, but the heater will be on 100% when feature is active. The initial state of this feature
will be Off. The default on mode is the heater cycling with the compressor. The state of the switch and mode will need to be
retained in non-volatile memory.
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