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Hopper Loaders with/without Sight Glasses 44
7-2 Alarms
The format for all station alarms is “Station n [alarm text].” The format for all pump alarms is
“Pump n [alarm text].” Any alarm that does not start with “Station” or “Pump” is a system
alarm.
The following tables list all alarms alphabetically, together with possible causes. A “critical”
alarm is one that causes the affected device to stop.
Note: You can also see a list of alarms and their causes in the controller’s
online help. To display this information, touch the color key of statuses in
the upper right-hand corner of either the “Station Status” or the “Pump
Status” screen, or touch Help at any other screen. When you are finished
reviewing the help, touch Return.
Station Alarms
Alarm message Possible cause
Material line is blocked.
Pulling bag at gaylord.
Vacuum line is blocked.
Convey time is too long (time-fill station only).
Sequence valve has malfunctioned.
No compressed air.
Vacuum switch has malfunctioned.
High vacuum
Note: After you have corrected the cause of this alarm, the alarm will be
cleared when the controller has conveyed a full load to this station.
Material container is empty.
No compressed air to vacuum pump.
Material line is disconnected from material source.
Faulty atmospheric valve pump.
Vacuum line is disconnected from station.
Pump power is interrupted.
Take-off compartment is not adjusted properly.
Convey time is too short.
Faulty sensor does not detect material.
No convey
Note: As a stopgap measure, you can disable the “no convey” alarm for
this station until the problem can be remedied. See page 46.
Not assigned (Critical) Station has not been assigned to a pump
Pump Alarms
Alarm message Possible cause
Circuit breaker or overload protector has tripped. Pump failure
(Critical)
Contactor has malfunctioned.
Pump fault (Function determined by your facility.)
System Alarms
Alarm message Possible cause
Battery for the controller is defective.
Batter for the controller is old and drained.
Low battery
Battery terminals loose/not connected.