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24-Pump, 128-Station Controller Chapter 7: Troubleshooting 74
Pump Alarms
Alarm message Possible cause
Patch cord is cut or disconnected. Blowback Solenoid Failure
(Critical)
Solenoid has failed.
Patch cord is cut or disconnected.
Clearing Valve Failure
Solenoid has failed.
Pump disconnect is off.
Patch cord is cut or disconnected.
Failure
Pump contactor has malfunctioned.
General Fault 1 The alarm is user configured.
General Fault 2 The alarm is user configured.
High vacuum switch is maladjusted.
High vacuum switch is wired incorrectly.
High Vacuum Switch Failure
High vacuum switch is defected.
ArmorBlock is not installed properly.
ArmorBlock is not addressed correctly.
ArmorBlock is defective.
Not Present
(Critical)
Base of ArmorBlock is defective.
Patch cord is cut or disconnected.
Pump disconnect is off.
Output Failure
Contactor has failed.
Power supply is not turned on.
Power supply is not connected properly
Power supply fuse blown.
Pump ArmorBlock not installed properly.
Output Power Failure
(Critical)
ArmorBlock is defective.
Contactor is mis-wired.
Contactor Fault
Contactor has failed.
Patch cord is cut or disconnected.
Sealing Valve Failure
Solenoid has failed.
Too Many Stations Assigned More than 50 stations have been assigned to a pump.
Patch cord is cut or disconnected.
Vent Solenoid Failure
Solenoid has failed.
System Alarms
Alarm message Possible cause
Alarm Horn Silence Expired
The alarm horn silence duration time has passed and at least one
alarm is still present on the system.
Alarm Strobe Suppress Expired
The alarm beacon suppress duration time has passed and at least
one alarm is still present on the system.
Control panel is not connected to flat cable.
Control panel network cable not installed correctly.
Power supply not turned on.
Power supply not connected properly.
DeviceNet Scanner
Communications Failure
Power supply fuse blown.
Panel power supply fuse blown. Main Control Panel Power
Supply Failure
Panel power supply has failed.
Control panel is not connected to flat cable.
Control panel network cable is not installed correctly.
Network Power Failure
Power supply not connected properly.