GE AF-300 P11 User Manual

Contents

7-3Data subject to change without notice 7/07. © 2007 GE Drives(6) Overheating internally and overheatingof heat sink(7) External thermal relay tripped(8) Drive overload and motor overloadOverheating atheatsink OH1Over temperature atinside air OH3Check the temperature of theheatsink using the alarminformation displayed on thekeypad panel.Does the heatsinktemperature indicate50°C or lower?Is the ambienttemperature -10°C orlower?Is the load excessive? Reduce the load.Is the cooling fanrotating? Replace the cooling fan.Is the cooling airpassage blocked?Is the ambienttemperature within thespecification?Arrange peripheralconditions to meet thespecification.Remove obstacles.YESFaulty drive or errordue to noise, etc.Contact GE Drive.YESYESNONONONONOYESYESExternal thermal relay trippedOH2Is PTC MODEH26 enabled?Is PTC operating?Incorrect motor load orinadequate cooling.Check the motor side.Set to correct value.Change to regularexternal circuit.Is PTC level H27 setcorrectly?Is the external circuit(including constantsregular?Faulty drive or errordue to noise, etc.Contact GE Drive.Is data input to the controlterminals THR-X1 to X9?Are alarm signals fromexternal equipment input tothe terminals and the CM?Connect the alarmsignal contact.Is the alarm function ofthe external equipmentoperating correctly?Faulty drive or errordue to noise, etc.Contact GE Drive.Remove the causeof alarm functionactivation.Drive overloadOLUMotor overloadOL1, OL2Do the characteristics of theelectronic thermal O/L relayand motor overload match?Connect a thermal O/Lrelay externally.Is the electronic thermal O/Lrelay setting correct? Set to the correct level.Faulty drive or errordue to noise, etc.Contact GE Drive.Is the load excessive?Reduce the load orincrease drive capacity.YESYESYESYESNONONONONONOYESYESNONONOYESYESYESIIncrease ambienttemperatureYESNO