7-2 Alarms

The format for all station alarms is “Station n [alarm text],” for example, “Station 12 receiver low level.” 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 Summary or the Pump Summary screen, or touch Help at any other screen. When you are finished reviewing the help. touch Return.

Station Alarms

Alarm message

Possible cause

Blow back output failure

Solenoid patch cord is disconnected.

Solenoid patch cord has been cut.

(Critical)

Solenoid valve has malfunctioned.

 

 

Material line is blocked.

 

Vacuum line is blocked.

High vacuum

Convey time is too long (time-fill station only).

Sequence valve has malfunctioned.

 

Vacuum switch has malfunctioned.

 

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.

 

Local alarm’s light bulb is defective.

Local alarm output failure

Patch cord for local alarm is disconnected.

Patch cord for local alarm has been cut.

 

Note: As a stopgap measure, you can disable the alarm output for this

 

station until the problem can be remedied. See pp. 43 and 74.

 

Material container is empty.

 

Material line is disconnected from material source.

No convey

Vacuum line is disconnected from station.

Take-off compartment is not adjusted properly.

 

Convey time is too short.

 

Note: As a stopgap measure, you can disable the “no convey” alarm for

 

this station until the problem can be remedied. See pp. 43 and 74.

Not assigned to a pump

Station has not been assigned to a pump

(Critical)

 

 

ArmorBlock is not installed.

Not present

ArmorBlock is not addressed properly.

ArmorBlock is defective.

(Critical)

Base of ArmorBlock is defective.

 

 

Network flat cable is not installed in base properly

 

Power supply is not turned on.

 

Power supply is not connected properly

Output power failure

Power supply’s incoming fuse(s) have failed.

Power supply’s output circuit breaker has tripped.

(Critical)

ArmorBlock is defective.

 

 

Base of ArmorBlock is defective.

 

Power flat cable for network is not installed in ArmorBlock base properly

7/50D Plus or 7/50D Controller

Chapter 7: Troubleshooting

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Sterling Plumbing 882.00254.00 specifications Station Alarms, Alarm message Possible cause