Toshiba Q9+ Installation & Operation Manual

Alarms, Trips, and TroubleshootingQ9 Plus ASD Install/Op Manual264 https://www.toshiba.com/tic/AlarmsAn Alarm is an indication that there is a systemoperating limit that is being exceeded and that aFault may be imminent (not all ongoing alarmsresult in a fault) or to provide an indication that anoperator error has occurred. An Alarm may beassociated with an output terminal to notify theoperator of the condition remotely, close a contact,or to engage a brake. At the least, an Alarm willcause an alarm code to appear on the EOI displayThe active alarm may be displayed on the Alarmscreen — some alarms are displayed on theFrequency Command screen. Press the Mode key ifthe alarm is displayed on the Frequency Commandscreen to scroll to the Alarm screen.Table 17 lists the Alarm codes that may bedisplayed during operation of the Q9 Plus ASD.Each alarm code listed is accompanied by adescription and a possible cause. In the event thatthe source of the malfunction cannot bedetermined, contact the TIC Customer SupportCenter for further information on the condition andfor an appropriate course of action.In the event that multiple alarms are activated, onlythe first to be detected will be displayed.AlarmTable 17. Alarms.LEDScreenLCDScreen Alarm Description Possible Cause* Reset ignored if active.4-20 mA 4-20 mA 4-20 Signal Loss.• Misconnection, poor connection, or broken wire.• Improper programming at F201 and associatedparameters.AbFL Low Suction/NoFlow Cut OffRunning ASD producingno flow.• Low Suction/No-Flow Alarm enabled at F450.• Loss of suction pressure or closed pump outputvalve.• Activated discrete input terminal set to LowSuction/No Flow Protection.• Pump cavitation.• ASD Upper-Limit Frequency run-time is equal toF484 time setting.CM1 Comm Error Communication ErrorInterruption.• Improperly programmed ASD.• Improper communications settings.• Improperly connected cables.CM2 Comm Error 2 Communication Error.DAMP Damp Damper Closed.• Improper configuration/programming forDamper Control at discrete input terminals.• Damper motor failure.• Damper position switch failure.E Emergency Off Emergency Off. • Stop-Reset was pressed twice at the EOI.• E-OFF command was received remotely.HLD Heavy Load Motor/ASD Over Loaded.• Acceleration time is too short.• ASD is improperly matched to the application.• Excessive load.LLD Light Load Light Load. • ASD is improperly matched to the application.* Reset ignored if active.