828019 REV B 08/2023
DW2450 and DW2450WS Service Manual
service.subzero.com 800.222.7820
Controls and Operation
Controls and Operation
COVE DISHWASHER THEORY OF OPERATION
WASH CYCLES
The Cove dishwasher has four wash cycles, Auto, Normal,
Heavy, and Quick, available as keys on the dishwasher's
user interface module (UIM). Additional cycles for specific
needs (for example, energy-saving cycles or gentle cycles
for china and crystal) are available by touching the Cycles+
key.
Once the wash cycle is selected, additional options for the
wash cycle (for example, delaying the start time or adding
an anti-bacterial high-temperature rinse) are available by
touching the Options key. To begin the wash cycle, touch
the Start key and close the door.
In each wash cycle:
The unit fills to a preset volume.
The unit heats and circulates water throughout the
tub interior with a preset water temperature and
circulation speed.
The unit may change which racks receive spray
water/detergent. Each wash cycle has its own preset
spray arm pattern.
The unit does a preset number of fills and drains to
remove the soils from the dishes.
The unit rinses the dishes with a preset rinse
sequence.
The unit then dries the dishes with a preset drying
sequence.
Each wash cycle has its own preset water volumes,
temperatures, spray arm patterns, and rinse/drying
operations.
STATUS LIGHT
The status light will illuminate to indicate the status of the
cycle.
LIGHT STATUS
Blue
A delayed start has been selected. Touch
Start each time the door is opened prior to the
start time.
Red
The cycle has started.
Green
The cycle is complete.
No Light
The door was not closed within 4 seconds
after touching Start, the cycle has been
complete for more than two hours (low floor
light setting) / eight hours (high floor light
setting), or the door has been opened upon
cycle completion.
WATER SOFTENER
For water softener models only, a salt compartment is
located at the bottom of the interior.
When softener salt is low, “Add Salt. ENTER once added,
CANCEL to ignore.” appears on the display.
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