4
ANNUNCIATIONS
4.1
Shutdowns
Shutdown annunciations are triggered when a condition occurs that requires the system to be disabled to protect
one or more of its components. Once a shutdown is annunciated, the user may acknowledge it at any time. An
acknowledged shutdown will clear if the issue that triggered it is resolved, but a shutdown that has not been
acknowledged will persist until a user marks it as acknowledged.
4.1.1
List and Description of Compressor Shutdowns
Shutdown
Explanation
High Motor Current Shutdown
This annunciation will be triggered if the compressor motor current exceeds
the value entered in the
High Motor Current Shutdown
parameter for a period
of time defined in the
High Motor Current Shutdown Timer
parameter.
High Motor Speed Shutdown
This annunciation will be triggered if the compressor motor speed exceeds
the value entered in the
High Motor Speed Shutdown
parameter.
Low Motor Speed Shutdown
This annunciation will be triggered if the compressor motor speed falls below
the value entered in the
Low Motor Speed Shutdown’
parameter.
Low Motor Current Shutdown
This annunciation will be triggered if the compressor motor current falls
below the value entered in the
Low Motor Current Shutdown
parameter for a
period of time defined in the
Low Motor Current Shutdown Timer
parameter.
Capacity Slide Failed To
Unload
This annunciation will be triggered if, either before starting or after stopping,
the compressor has not unloaded to its minimum position for a time period in
excess of the value selected in the
Capacity Slide Failed To Unload Shut-
down Timer
parameter.
Low Suction Pressure Shut-
down
This annunciation will be triggered if the suction pressure reading of the com-
pressor drops below the value entered in the
Low Suction Pressure Shut-
down
parameter.
High Discharge Temperature
Shutdown
This annunciation will be triggered if the discharge temperature reading of
the compressor exceeds the value entered in the
High Discharge Tempera-
ture Shutdown
parameter.
High Discharge Pressure Shut-
down
This annunciation will be triggered if the discharge pressure reading of the
compressor exceeds the value entered in the
High Discharge Pressure Shut-
down
parameter.
Instruction Manual | GEA Omni™
Control panel
Annunciations
Shutdowns
GEA Refrigeration North America, Inc. | E_806550_2 | Generated 12.01.2016
207
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