Wine Storage
Wine Storage
(400-
(400-
2
2
)
)
Series
Series
Electronic Control System
3-31
#3758410 - Revision C - May, 2014
Monitor Compressor Run Duration, Displays If Service is Needed
The microprocessor observes the state of the compressor relay to determine the length of compressor run time (See
Figure 3-57). If the compressor runs 100% (4 hours), an error code is logged (EC 50), and defrost will be initiated,
but SERVICE will not
flash.
If several 100% compressor run periods occur, and a drawer is not opened during the last excessive compressor run
period, and the temperature in the zone is not able to fall half way between set-point and low off-set, then SERVICE
will flash (See Figure 3-58).
NOTE: To clear an error code, the problem must be corrected, then the Alarm ON/OFF key pressed for fifteen (15)
seconds. Failure to clear an error code will cause SERVICE to display constant.
NOTE: If the unit is ever switched OFF then immediately back ON, the compressor will not energize for at least 3
minutes. This 3 minute minimum OFF time is used to protect the compressor and its electricals.
Figure 3-58. Service Flashing if several 100% compressor run periods occurred, a drawer was not opened
during last excessive run period, and temperature is not able to fall half way between set point & low off-set.
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