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Dispenser Lock
When the dispenser system is locked, actual and
set temperatures can be viewed but no dispenser
command will be accepted. This includes the
dispenser cradle and will prevent accidental
dispensing that may be caused by children or pets.
If a pad or the cradle is depressed with the system
locked, it will be acknowledged with three pulses of
the LOCK LED accompanied by an audible tone.
Lock LED
Defrost Cycle
Note
Refer to Pub #31-9062 for information about •
basic adaptive defrost.
See • Technical Data for defrost control electrical
specifi cations.
All models except GBSC0 and GBSC3:
The refrigerator utilizes an adaptive defrost
cycle that operates a glass enclosed heater to
remove frost from the evaporator. The control
board determines the length of time the heater is
energized. It does this by monitoring the adaptive
defrost parameters utilized by the control board.
A bi-metal safety thermostat provides a backup
in the event the defrost system fails to terminate
heater operation. The safety thermostat prevents
the evaporator temperature from exceeding 140°F.
Models GBSC0 and GBSC3:
The refrigerator utilizes a fi xed defrost time (18 Hrs)
that operates a glass enclosed heater to remove
frost from evaporator. The control board determines
the length between defrost based on compressor
run time.
The defrost termination is determined by the bi-
metal temperature 55°F, and maximum time is 40
minutes.
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