Edc Process Flow Chart - GE HPS15BTHR Technical Service Manual

EDC Process Flow Chart

COOLING OPERATION (Abnormal Adaptive Defrost)
At the end of an abnormal defrost, the electronic control will return the refrigerator to cooling operation.
However, due to an abnormal amount of heater ON time that occurs during the defrost cycle, the control
will initiate the next defrost operation after a fixed 12 hours of accumulated compressor run time (non-
adaptive defrost operation). The intent of this cycle is to attempt to clear any ice that may be remaining on
the evaporator.
During this non-adaptive defrost period, only the compressor run time will be monitored. The door open
times will have no bearing on when the next defrost cycle will occur. The refrigerator will operate just like a
conventional defrost system, for a fixed 12 hour period.
If the next defrost is a normal defrost (heaters off in less than 25 minutes), the electronic control will allow the
refrigerator to return to normal adaptive defrost operation. The next defrost will occur after 80 hours of total
equivalent compressor run time. However, if the next defrost is abnormal, the refrigerator will once again
revert to a fixed 12 hour accumulated compressor run time and then enter the defrost cycle (non-adaptive
defrost operation).
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