Emotron MSF 2.0 Softstarter

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10. Troubleshooting10.1 Fault, cause and solutionObservation Fault indication Cause SolutionParameter will notbe accepted.The display is notilluminated.The motor does notrun.- - - --LocIf parameter 240, “Parameter set”is set to “0”, the system is configuredfor external control of parameterset. Most parameters are notallowed to be changed in thismode.During start, stop and slow speedchanging parameters is not permitted.If control source is serial comm., itis impossible to change parametersfrom keyboard and vice versa.Some menus include only readoutvalues and not parameters.Control panel is locked for settings.Set parameter 240, “Parameter set”to a value between “1” - “4” andthen any parameter can be changed.Set parameters during standstill orfull voltage running.Change parameters from the actualcontrol source.Read-out values cannot be altered.In Table 15, read-out menus have ’----’ in the factory setting column.Unlock control panel by pressing thekeys “NEXT” and “ENTER” for at least3 sec.None No control supply voltage. Switch on the control supply voltage.F1(Phase input failure)F2(Thermal motor protection)F3(Softstarter overheated)F4(Current limit start timeexpired)F5(Locked rotor)F6(Max power alarm)F7(Mn power alarm)F8(Voltage unbalance)Fuse defective.No mains supply.PTC connection could be open.Incorrect nominal motor currentcould be entered in menu [211].Ambient temperature too high.Softstarter duty cycle exceeded.Could be fan failure.Current limit parameters are perhapsnot matched to the load andmotor.Something stuck in the machineor perhaps motor bearing failure.OverloadUnderloadMains supply voltage unbalance.Renew the fuse.Switch on the mains supply.Check the PTC input if PTC protectionis used.If internal thermal motor protectionis used, perhaps an other internalthermal protection class could beused (menu [222]).Cool down the motor and restart.Check ventilation of cabinet.Check the size of the cabinet.Clean the cooling fins.If the fan(s) is (are) not working correctly,contact your local MSF salesoutlet.Increase the start time (menu [315])and/or the current limit at start(menu [314]).Check the machine and motor bearings.Perhaps the Locked rotor timecan be set longer (menu [229]).Check the machine.Perhaps the Max power alarmresponse delay can be set longermenu [404].Check the machine.Perhaps the Min power alarmresponse delay can be set longermenu [410].Check mains supply.Emotron AB 01-4135-01r2 Troubleshooting 101
Observation Fault indication Cause SolutionF9(Overvoltage)F10(Undervoltage)Mains supply overvoltage.Check mains supply.Mains supply undervoltage.Check mains supply.The motor does notrun.F11(Start limitation)F13(Open thyristor)F14(Motor terminal open)Number of starts per hourexceeded, min time betweenstarts not kept.Perhaps a damaged thyristor.Open motor contact, cable ormotor winding.Wait and start again.Perhaps the number of starts perhour could be increased in menu[225] or the min time between startscould be decreased (menu [226]).Initiate a reset and a restart. If thesame alarm appears immediately,contact your local MSF sales outlet.If the fault is not found, reset thealarm and inspect the alarm list. Ifalarm F12 is found, a thyristor isprobably shorted.Initiate a restart. If alarm F14appears immediately, contact yourlocal MSF sales outlet.F15(Serial communication contactbroken)Serial communication contact broken.Initiate a reset and try to establishcontact. Check contacts, cables andoption board.Verify- Serial communication unit address[270].- Baudrate menu [271].- Parity menu [272].If the fault is not found, run themotor from the control panel ifurgent set parameter [200] to 1. Seealso manual for serial communication.F16(Phase reversal)Incorrect phase sequence onmain supply.Switch L2 and L3 input phases.F17 (External alarm)External alarm signal input openCheck the digital input configured forExternal alarm. Check the configurationof the digital inputs (menus[510] to [513]).- - - -Start command comes perhapsfrom incorrect control source. (I.e.start from control panel whenremote control is selected).Give start command from correctcontrol source as configured in menu[200].The motor is runningbut an alarm isgiven.F1(Phase input failure)F4(Current limit start timeexpired)Failure in one phase.Perhaps fuse is defective.Current limit parameters are perhapsnot matched to the load andmotor.Check fuses and mains supply.Select a different alarm action forSingle phase input failure in menu[230] if stop is desired at singlephase loss.Increase the start time (menu [315])and/or the current limit at start(menu [314]). Select a differentaction for Current limit start timeexpired alarm in menu [231], if stopis desired at current limit time-out.102 Troubleshooting Emotron AB 01-4135-01r2
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Emotron MSF 2.0SoftstarterInstructi
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Safety instructionsSafetyThe softst
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ContentsSafety instructions .......
Page 8 and 9:
1. General informationThis manual d
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1.8 Glossary1.8.1 AbbreviationsIn t
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2. DescriptionT/T nn/n sIn this cha
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The disadvantage of the star-delta
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T/T n2,521,510,5Torquef 3
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3. MountingThis chapter describes h
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Mounting schemesMSF-017 to MSF-250T
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4. ConnectionsThe description of in
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Fig. 20 Connection of MSF-110 to MS
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Fig. 22 Connection of MSF-310 to MS
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4.3 Minimum wiringThe figure below
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5. How to get startedThis chapter b
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5.5 Setting the start commandAs def
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6. Applications and functions selec
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Table 10Applications Rating ListApp
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Table 11Application Functions ListA
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38 Applications and functions selec
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The control panel is used for selec
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7.7 Overview of softstarteroperatio
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8.1 General settingsGeneral setting
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Nominal motor speed.2 1 314Nominal
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Overload time (s)Normal loadInterna
Page 53 and 54: NOTE: Check that the motor current
Page 55 and 56: 8.4.3 Reset to factory setting [243
Page 57 and 58: External alarm auto reset [257]This
Page 59 and 60: With voltage control the output vol
Page 61 and 62: To optimize the start, use the sett
Page 63 and 64: Torque boost current limit [316]In
Page 65: NOTE: For several start/stops it is
Page 68 and 69: Slow speed controlled by an externa
Page 70 and 71: JOG commands can be given via analo
Page 72 and 73: Power Factor Control PFC [341]Durin
Page 74 and 75: Max power alarm [400]In this menu m
Page 76: Min power alarm response delay [410
Page 79 and 80: Undervoltage level [437]This menu i
Page 81 and 82: Relay outputsPTC inputPTCCurrent tr
Page 83 and 84: Analogue start/stop off-value [503]
Page 85 and 86: Digital input 3 function [512]In th
Page 87 and 88: Scaling analogue output, max [523]T
Page 89 and 90: K1 contact function [533]In this me
Page 91 and 92: !CAUTION: Very high currents can ar
Page 93 and 94: For applications which use the reve
Page 95 and 96: It is possible to use just one digi
Page 97 and 98: Line main voltage L1-L38.10.2 Statu
Page 99 and 100: 8.11 Alarm listThe alarm list is ge
Page 101 and 102: whether they need a Reset signal (m
Page 103: 100 Protection and alarm Emotron AB
Page 107 and 108: Observation Fault indication Cause
Page 109 and 110: 106 Maintenance Emotron AB 014135-0
Page 111 and 112: 12.3.1 Cable kit for external curre
Page 113 and 114: 110 Options Emotron AB 01-4135-01r2
Page 115 and 116: Table 19Typical motor power at main
Page 117 and 118: Table 21Typical motor power at main
Page 119 and 120: 13.2 General electrical specificati
Page 121 and 122: Table 25Power lossesModelPower loss
Page 123 and 124: 13.5 Derating at highertemperatureB
Page 125 and 126: 13.9 Semi-conductor fusesAlways use
Page 127 and 128: Table 27Parameter listMenuno.Functi
Page 135: Operation R .......................
Page 138: Emotron AB, Mörsaregatan 12, SE-25
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Emotron MSF 2.0 Softstarter

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