Electronic Control System
Wine Storage
Wine Storage
(400-
(400-
2
2
)
)
Series
Series
3-30
#3758410 - Revision C - May, 2014
Regulate Zone Temperature and Fan-Assisted Off-Cycle Defrost
When the thermistor in the refrigerator compartment reaches high off-set temperature, calling for cooling, the evapo-
rator fan is energized, but the compressor is not allowed to run until the thermistor on the evaporator reaches 38°F
(3°C). (See Figure 3-56)
If either drawer is opened while the evaporator fan is operating, the microprocessor will detect the power signal to
the lights and cut power to the fan.
Though compartment air temperatures will fluctuate, the LCD will only display average temperature.
NOTE: If compartment temperature exceeds either high or low offset (Ex: drawer is left open), temperature display
will change by one degree per minute.
NOTE: If refrigerator compartment thermistor is faulty, compressor operation defaults to 20 minutes ON, 40 minutes
OFF cycling, EE appears in left of LCD, SERVICE will flash and Error Code 05 will be logged.
NOTE: If evaporator thermistor is faulty, the compressor will not energize until zone air temperature exceeds high
offset by 5°F (3°C). SERVICE flashes and Error Code 06 is logged.
NOTE: When in Sabbath Mode, the refrigerator compartment thermistor still controls compressor operation, except
there is a random 15 to 25 second delay before the compressor is energized.
Figure 3-56. Signal Trace - Regulate Refrigerator Zone Temperature
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