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11:1  General

This chapter is a guide that can be used in case problems  arise with the softstarter or the application.
The softstarter normally indicates a fault with LED Fault, and the LCD displays what type of fault it is. When a protection is activated, it will be indicated with LED Protection 
and the LCD displays what type of protection is active.
Faults not displayed in the softstarter can also be found in this chapter.

11:2  Overview of indications 

This table shows in which state the different indications for protections, faults and warning may show up.

LCD indication

Active when selected

Always active

Active when selected

Prot Motor OL

Prot Underload

Prot Locked Rot

Prot High I

Prot Phase Imb

Prot Phase Rev

Prot PTC

Prot SCR OL

Fault Phase Loss

Fault Connection

Fault W

rong Freq

Fault Line Side

Fault HS 

Temp

Fault Kick-Cur

Fault SC SCR

Fault Open SCR

Fault FB 

Timeout

Fault BP

 Closed

Fault BP

 Open

W

arn OL

W

arn SCR OL

W

arn I=High

W

arn I=Low

Stand by

X

–

–

X

–

–

X

X

–

–

–

–

X

–

–

X

1

–

–

X

X

–

–

At start signal

X

–

–

X

–

X

X

X

X

X

X

X

X

X

2

X

–

X

1

–

–

X

X

–

–

Ramp up

X

–

–

X

–

–

X

X

X

–

–

–

X

–

X

X

1

–

–

X

X

–

–

TOR

X

X

X

X

X

–

X

X

X

–

–

–

X

–

X

X

1

–

X

3

X

X

X

X

At stop signal

X

–

–

X

–

–

X

X

X

–

–

–

X

X

4

X

X

1

X

3

–

X

X

–

–

Ramp down

X

–

–

X

–

–

X

X

X

–

–

–

X

X

X

X

1

–

–

X

X

–

–

1) Only if Fieldbus control is selected
2) Only if Kick-start is selected.
3) Only if by-pass is used.
4) Only if by-pass is 

not used.

11:3  General problems and faults

Status

Possible cause

Solution

Motor humming/starts without given start signal

Shorted SCR

By-pass contactor stuck in the closed position

Check and replace

Check and correct the reason

Bad motor sound during start and operation

Inside Delta connection wrong

Check and correct the wiring

Bad motor sound during stop

Wrong ramp time for stop

Try different ramp times (some adjustments may be 

necessary for best result)

Motor does not start when giving start command using 

the hardware inputs

Control wiring not correct

Start and stop command given at the same time

Keypad is in Local Control menu

Check connections for start and stop

Check that start and stop command is not given at the 

same time

Check that the keypad is not in Local Control menu

Check that parameter Fieldbus Ctrl is set to No.

Motor does not start when giving start command using 

the fieldbus communication

Setting of fieldbus parameter wrong

Check that parameter Fieldbus Ctrl is set to Yes

Check that bit “Enable” is used

Check that programmable inputs have correct settings

Displayed current in LCD does not correspond to mo-

tor current

Inside Delta connection

If the softstarter is connected inside Delta, the current 

displayed is 58% (1/( 3)) of the motor current.

Displayed current in LCD is not stable

The motor is too small

The load on the motor is too small (current is out of 

measuring range)

Check that the softstarter corresponds to the m

Loading of parameters does not work properly

Fieldbus settings

See Chapter 8 Fieldbus for actual fieldbus type

Chapter 11

Troubleshooting

11.2 

Low Voltage Products & Systems 

1SXU 132 021 M0201 

ABB Inc. • 888-385-1221 • www.abb-control.com

11

Содержание PST30

Страница 1: ...Installation and Maintenance manual Softstarters PST PSTB...

Страница 2: ...nstallation and maintenance manual 12 Diagrams 12 1 12 5 11 Troubleshooting 11 1 11 6 10 Functions 10 1 10 19 9 Maintenance 9 1 9 2 8 Fieldbus communication option 8 1 8 2 7 Settings and configuration...

Страница 3: ...between the softstarter and the information in this manual Author s address Low Voltage Products and Systems ABB Inc 1206 Hatton Road Wichita Falls TX 76302 Tel 888 385 1221 940 397 7000 Fax 940 397 7...

Страница 4: ...1 2 Intended audience 1 2 General 1 2 Requirements 1 2 Chapters included 1 2 Revision notes 1 3 Acronyms and abbreviations 1 3 Installation and maintenance manual PST30 PSTB1050 Low Voltage Products S...

Страница 5: ...ftstarter must have a basic knowledge in handling electric equipment The commissioning and maintenance per sonnel must be well experienced in using this kind of equipment 1 2 2 Chapters included Intro...

Страница 6: ...n this manual Acronym abbreviation Description LED Light Emitting Diode LCD Liquid Crystal Display SCR Silicon Controlled Rectifier IT Information Technology HMI Human Machine Interface FBP Fieldbuspl...

Страница 7: ...2 2 Configuration 2 3 Start of the motor 2 3 Installation and maintenance manual PST30 PSTB1050 Low Voltage Products Systems 2 1 ABB Inc 888 385 1221 www abb control com 1SXU 132 021 M0201 Chapter 2 Q...

Страница 8: ...nect the functional ground terminal 3 Information The wire shall be as short as possible and be connected to the mounting plate The mounting plate should also be grounded 6 Connect the start stop circ...

Страница 9: ...vigation keys PST30 300 only See Figure 11 9 Press Store and Next to continue or Back to previous parameter using the selection keys See Figure 12 10 Select Yes if ready or Tune Set if ramp times init...

Страница 10: ...echnical data 3 5 General 3 5 Semi conductor fuses 3 5 Softstarter types 3 6 Weights 3 7 PSTB AC3 Across the line Contactor Ratings 3 7 UL Information 3 7 Dimensions 3 8 3 10 Installation and maintena...

Страница 11: ...n interface Remote keypad option The integrated fans for cooling are operated only during ramping start stop and when the tem perature of the heat sink is too high The temperature is monitored by a th...

Страница 12: ...T2 6T3 B1 B2 B3 3L2 5L3 LISTED IND CONT EQ 7F39 IEC 947 4 2 Us 100 250V AC DC Ue 220 230 380 400 500 V 72 AC 53a 8 1 6 80 6 In line 18 5 37 45 kW LIS TED 7F3 9 IND CO NT EQ Ie 37 7 2A Us 100 250V AC D...

Страница 13: ...hout the product s life cycle The PST softstarters is an Industrial IT enabled product Documentation such as brochures catalogues certificates and drawings can be found at www abb control com products...

Страница 14: ...se for control circuit 6A Delayed MCB use C characteristics Service factor 115 100 for PSTB1050 Communication protocols AS Interface DeviceNet Profibus DP Modbus Chapter 3 Description 3 8 2 Semi condu...

Страница 15: ...350 Motor rating 380 415V KW 75 132 90 160 110 184 132 220 AC 3 Rating with integrated Bypass A Power loss at rated current W 435 540 645 765 Control power requirements VA 10 15 15 15 Type PST300 PST...

Страница 16: ...600 AC3 Rating A 302 302 480 590 720 720 3 8 6 UL information Equipment suitable for use in a circuit with maximum available fault current as shown when protected by devices indicated Model Rating kA...

Страница 17: ...ions PST30 72 Figure 2 Dimensions PST85 142 3 8 7 Dimensions PST30 72 Chapter 3 Description PST85 142 Inches Millimeters 3 8 Low Voltage Products Systems 1SXU 132 021 M0201 ABB Inc 888 385 1221 www ab...

Страница 18: ...mensions PST175 300 Figure 4 Dimensions PSTB370 470 Inches Millimeters PSTB175 300 Chapter 3 Description PSTB370 470 Low Voltage Products Systems 3 9 ABB Inc 888 385 1221 www abb control com 1SXU 132...

Страница 19: ...Figure 5 Dimensions PSTB570 1050 Inches Millimeters PSTB570 1050 Chapter 3 Description 3 10 Low Voltage Products Systems 1SXU 132 021 M0201 ABB Inc 888 385 1221 www abb control com 3...

Страница 20: ...2 Handling when mounting 4 2 Requirements 4 2 Minimum distance to wall front 4 2 Minimum enclosure sizes 4 3 Installation and maintenance manual PST30 PSTB1050 Low Voltage Products Systems 4 1 ABB Inc...

Страница 21: ...s lifting equipment is recommended due to the weight See Chapter 3 Description for weights Warning Do not lift the softstarter by the connection bars Lifting by the connection bars may cause damage to...

Страница 22: ...losure dimensions Fan capacity W H D mm in mm in mm in m3 h ft3 min PST30 72 300 12 400 16 250 10 42 25 PST85 300 400 16 500 20 300 12 95 60 PST175 300 500 20 600 24 300 12 210 125 PSTB370 470 600 24...

Страница 23: ...le output relay K4 terminals 12 13 and 14 5 6 Programmable output relay K5 terminals 15 16 and 17 5 7 Programmable output relay K6 terminals 18 19 and 20 5 7 PTC input 5 7 Connection of communication...

Страница 24: ...250V Stop Start In0 In1 Vc 50 60 Hz 2 3 4 5 6 7 8 9 10 Vp Vp 11 K4 12 13 14 Vn 15 16 K5 17 18 19 K6 20 LIS TE D 7F 39 IND CO NT EQ 1S FA 89 4 00 7 IEC 94 7 4 2 Ie 37 72 A Us 10 0 2 50 V AC DC UL Uc 1...

Страница 25: ...operate machine with the grounding wire disconnected 1 100 250V Stop Start In0 In1 Vc 50 60 Hz 2 3 4 5 6 7 8 9 10 Vp Vp 11 K4 12 13 14 Vn 15 16 K5 17 18 19 K6 20 B1 B2 B3 Figure 4 External bypass cont...

Страница 26: ...9 10 11 Internal control voltage The softstarter has a built in holding circuit which does not require any external power source for start and stop See Figure 10 A conventional circuit with a HOA swit...

Страница 27: ...momentary start signal required Chapter 5 Connection 5 2 2 4 Programmable inputs terminals 6 and 7 The softstarter has two programmable inputs In0 default reset event In1 default reset event See Chap...

Страница 28: ...4 2 5 mm AWG 12 22 0 14 2 5 mm 2 2 5 2 2 5 Programmable output relay K4 terminals 12 13 and 14 The output relay gives a signal depending on the selected function Default Run See Chapter 7 Settings and...

Страница 29: ...le output relay K5 terminals 15 16 and 17 The output relay gives a signal depending on the selected function Default Top of ramp See Chapter 7 Settings and configuration for programming Connect the ca...

Страница 30: ...oning temporarily handheld Note that NEMA 4 4X cannot be achieved when the keypad is not mounted When thee external keypad is used both keypads will work in parallel but the softstarter keypad always...

Страница 31: ...n1 Vc AC DC 50 60 Hz 2 3 4 5 6 7 8 9 10 Vp Vp 11 K4 12 13 14 Vn 15 16 K5 17 18 19 K6 20 LISTE D 7F39 IND CONT EQ 1SF A 894 007 IEC 947 4 2 Ie 37 72A Us 100 25 0V AC DC UL Uc 100 25 0V AC DC FLA 37 68A...

Страница 32: ...op level 6 4 Settings menu 6 5 Local Control menu 6 5 Start Stop the motor 6 6 Jog 6 6 DOL start 6 6 Event Log menu 6 7 Status Information menu 6 7 Reset Events menu 6 7 Installation and maintenance m...

Страница 33: ...well as a short explanation and the path to it in Chapter 10 Functions Path in menu Menu SETTINGS Functional Settings Start Stop Setting Ie 2 The top level of the softstarter start menu looks as in Fi...

Страница 34: ...and contact your local ABB sales office 6 1 4 Locking unlocking the keypad 1 Press the upper navigation key twice to enter the parameter Keypad is Figure 16 The keypad is unlocked if the display indi...

Страница 35: ...vel Settings Local Control Event Log Status Information Reset Events Figure 19 Top level 6 2 2 Top Level Top Level contains general softstarter information and the menus can be reached from here Use t...

Страница 36: ...navigation keys to view different types of local control Information The LOCAL CONTROL menu can not be entered if Sequence start is selected Once the motor has been started in this menu it must first...

Страница 37: ...u Figure 24 Select DOL start to close the integrated by pass contactor Select Stop to open the contactor Warning The rated motor current must never exceed the AC 3 rating of the integrated by pass con...

Страница 38: ...hase current L2 Phase L3 Phase current L3 Run time Total run time of the motor No of Starts Run counter SW Ver CU Software version CU SW Ver FU Software version FU SW Ver KP 1 Software version Externa...

Страница 39: ...4 Faults 7 14 7 15 Inputs 7 16 Outputs 7 17 Sequence start 7 18 7 19 Presentation Settings 7 20 Service Settings 7 21 All Settings 7 21 Changed Settings 7 21 Reset all Settings 7 22 Operation test mod...

Страница 40: ...rt All default parameters are stored in the unit in case a full reset to default values is required When the fieldbus communication is selected most parameters can also be modified from this interface...

Страница 41: ...n level X X Locked rotor protection time X X Locked rotor protection operation X X Underload protection X X Underload protection level X X Underload protection time X X Underload protection operation...

Страница 42: ...Programmable software output V7 X X Event for relay K4 X X Event for relay K5 X X Event for relay K6 X X Event for SW output V7 X X Fieldbus control X X Fieldbus type X X Fieldbus address X X No of se...

Страница 43: ...M Phase imbalance protection Phase Imb Yes No No Trip level for phase imbalance protection Ph Imb Lev 10 80 80 Type of operation for imbalance protection Ph Imb Op Stop M Stop A Ind Stop M High curre...

Страница 44: ...K5 Lock Rot Yes No No Underload event of relay K5 K5 Underload Yes No No Phase imbalance event of relay K5 K5 Phase Imb Yes No No PTC event of relay K5 K5 PTC Yes No No Phase reversal event of relay K...

Страница 45: ...0 7 0xle 4 0xle 1st sequence setting current 1st Set le 9 0 1207A Individual 2nd sequence time for start ramp Start Ramp 2 1 30s 1 120s 10s 2nd sequence initial voltage for start ramp Init Volt 2 30 7...

Страница 46: ...ave the following functions In 0100 Start signal high In 1000 Stop signal high In 0010 In0 high In 0001 In1 high Out 1000 Relay K4 activated Out 0100 Relay K5 activated Out 0010 Relay K6 activated Out...

Страница 47: ...ave the selected class Confirm the selected overload class by pressing Next If the wrong overload class was selected press Back and select the correct class External By Pass contactor Ext ByPass If an...

Страница 48: ...ve the data after setting the current External By Pass contactor Ext ByPass Set the parameter to Yes if an External By pass Contactor is used otherwise select No Start ramp Set the ramp time for start...

Страница 49: ...level Kick time Start range Stop range To set parameters from Setting Ie to Current limit level see Basic Settings Kick Start Activate the Kick Start function by entering this menu Press Store to save...

Страница 50: ...Press Store to save the selected class Overload run class OL Class R Select the required overload class during continuous run The following overload classes are available 10A 10 20 30 Press Store to...

Страница 51: ...Activate the high current protection if required by changing to Yes If Yes is selected the following setting will be available High current type of operation High I Op Select what operation should be...

Страница 52: ...re to save the selected operation Warning SCR overload Warn SCR OL Activate the warning function if required by changing to Yes Press Store to save the selected operation 7 2 4 4 Faults Phase loss typ...

Страница 53: ...d Press Store to save the selected operation By pass doesn t open operation Select what operation should be asserted if the contactor does not open Stop M The motor will stop and a manual reset is req...

Страница 54: ...s Reset all Settings programmable input set to Enable Second programmable input In1 Select the required function for the input In1 One of the following functions can be selected None No specific funct...

Страница 55: ...tore to save activate the selected function SW Outp V7 Select the required function for the fieldbus communication output SW Outp V7 One of the following functions can be selected Run Run indication T...

Страница 56: ...ill only be displayed if parameter No of Seq is set to 2 or 3 Information If sequence start was used and the parameter No of Seq is changed to No the overload protection will automatically be set to N...

Страница 57: ...rs can be adjusted 2nd Set Ie Setting current Start Ramp2 Ramp time for start Init Volt2 Initial voltage Curr Lim2 Current limit Press Store to save the selected parameter Third sequence parameters 3r...

Страница 58: ...ouch any of the keys to turn it on again Date Type The date can be presented in three different ways Depending on the selected type the following will be displayed at the top level Date type Display o...

Страница 59: ...in contrast to the factory default setting If no parameters have been changed the LCD will display No Changed Settings Figure 33 Service Settings menu for authorized personnel only Top level Settings...

Страница 60: ...e unit is put into operation As long as the unit is in demo mode the color on the display is inverted except on the external keypad Caution Never enter the demo mode with the main voltage connected Th...

Страница 61: ...d Settings The Changed settings menu consists of all parameters that have been changed from the factory default setting If no parameters have been changed the LCD will display No Changed Settings 7 2...

Страница 62: ...ntenance manual PST30 PSTB1050 Overview 8 2 Required accessories 8 2 Instructions 8 2 Low Voltage Products Systems 8 1 ABB Inc 888 385 1221 www abb control com 1SXU 132 021 M0201 Chapter 8 Fieldbus co...

Страница 63: ...oftstarter to a fieldbus system the following accessories are required Fieldbusplug for appropriate protocol check that the cable length is sufficient Connectors for bus connection End plug some proto...

Страница 64: ...ation and maintenance manual PST30 PSTB1050 Regular maintenance 9 2 Service and repair 9 2 Low Voltage Products Systems 9 1 ABB Inc 888 385 1221 www abb control com 1SXU 132 021 M0201 Chapter 9 Mainte...

Страница 65: ...oling airways are free from dirt and dust If required use pressurised air to clean Check external filters Clean if necessary Check that the fan is working and rotating freely The blades should rotate...

Страница 66: ...7 Underload protection 10 8 Underload protection level 10 8 Underload protection time 10 8 Underload protection type of operation 10 8 Phase imbalance protection 10 8 Phase imbalance protection level...

Страница 67: ...16 Current limit first sequence 10 16 Setting current first sequence 10 16 Start ramp second sequence 10 16 Initial voltage second sequence 10 16 Current limit second sequence 10 17 Setting current s...

Страница 68: ...Menu SETTINGS Functional Settings Start Stop Start Ramp When a start signal is given the softstarter performs a start ramp by gradually increasing the output voltage to the motor The start ramp contin...

Страница 69: ...achieved It is mainly used for pump applications Parameter text Default value Setting range Description Step down 100 30 100 Voltage value to which the softstarter will step down at stop and where it...

Страница 70: ...ssible to set the time of the kick start It is active only if kick start is selected Parameter text Default value Setting range Description Kick Time 0 2s 0 1 1 5s Time for Kick Start 10 11 Start ramp...

Страница 71: ...20 Class 30 Parameter text Default value Setting range Description OL Class 10 10A 10 20 30 Overload class 10 15 Overload class dual type start class Path in menu Menu SETTINGS Functional Settings Pro...

Страница 72: ...to set the level of the locked rotor protection It is active only if Locked rotor protection is selected Parameter text Default value Setting range Description Lock R Lev 4 0 x Ie 0 5 8 1 xle Trip le...

Страница 73: ...t is active only if underload protection is selected Parameter text Default value Setting range Description Underl Time 10s 1 30s Trip time for Underload protection 10 25 Underload protection type of...

Страница 74: ...a current protection with a fixed level of 8 x Ie during 200 ms The protection is activated if the current exceeds this level and time Parameter text Default value Setting range Description High I No...

Страница 75: ...ns PTC PTC Op This parameter makes it possible to select between three different actions when the protec tion is activated It is active only if the PTC protection is selected Stop M The motor stops an...

Страница 76: ...L Lev 0 8 x Ie 0 4 1 0 x Ie Trip level for low current warning 10 40 Overload warning Path in menu Menu SETTINGS Functional Settings Warnings Warn OL If the function is selected a warning signal will...

Страница 77: ...f operation for fieldbus fault 10 45 Frequency fault type of operation Path in menu Menu SETTINGS Functional Settings Faults Freq F Op This parameter makes it possible to select between two different...

Страница 78: ...grammable inputs In0 and In1 They can be used for different purposes depending on the selected function independently of each other Parameter text Default value Setting range Description In0 Reset Non...

Страница 79: ...ction Phase Imbalance Protection PTC Protection Description Fault group consists of By pass contactor does not close Phase loss fault Fieldbus fault Frequency fault Heat sink temp fault Shunt fault gr...

Страница 80: ...lt value Setting range Description Fieldb type Other AS Int Other Type of fieldbus AS Interface short protocol Other long protocol 10 53 Fieldbus address Path in menu Menu SETTINGS Functional Settings...

Страница 81: ...Ie 2 0 7 0xle First sequence current limit 10 58 Setting current first sequence Path in menu Menu SETTINGS Functional Settings Seq Start 1st Seq Param 1st Set Ie This parameter makes it possible to se...

Страница 82: ...s Third sequence time for start ramp 10 64 Initial voltage third sequence Path in menu Menu SETTINGS Functional Settings Seq Start 3rd Seq Param Init Volt3 This parameter makes it possible to set the...

Страница 83: ...ay auto matic turn off 10 69 Password Path in menu Top level Press Upper navigation key once This parameter makes it possible to set a password to lock the keypad All menus are avail able when the key...

Страница 84: ...sed Op Path in menu Menu SETTINGS Functional Settings Faults BP Closed Op This parameter makes it possible to select between two different actions of the softstarter if the by pass contactor does not...

Страница 85: ...verview of indications 11 2 General problems and faults 11 2 Start up faults 11 3 Fault indication 11 3 11 4 Protection indication 11 5 11 6 Low Voltage Products Systems 11 1 ABB Inc 888 385 1221 www...

Страница 86: ...ut given start signal Shorted SCR By pass contactor stuck in the closed position Check and replace Check and correct the reason Bad motor sound during start and operation Inside Delta connection wrong...

Страница 87: ...lta connected Check that there are no connections missing to the motor Check that the circuits are closed and correspond to the circuit diagram Check and replace Frequency fault Power on Protection Fa...

Страница 88: ...SCR fault Power on Protection Fault Fault Open SCR Reset Back One or several SCRs are not conducting Check and replace Contact your ABB sales office for replacement parts Fieldbus fault Power on Prot...

Страница 89: ...ion Power on Protection Fault Prot Underload Reset Back The motor current is below set level and time Check and correct the reason for the underload Check that the settings are according to the operat...

Страница 90: ...otection Fault Prot SCR OL Reset Back The softstarter is too small Too many starts hour The ramp time for start is too long Check and replace the softstarters with one of a suitable size Check and dec...

Страница 91: ...T30 PST300 12 2 Circuit Inside Delta diagram PST30 PST300 12 3 Circuit Inline diagram PSTB370 PSTB1050 12 4 Circuit Inside Delta diagram PSTB370 PSTB1050 12 5 Low Voltage Products Systems 12 1 ABB Inc...

Страница 92: ...ST300 Figure 1 Circuit diagram PST30 3000 Terminal 3 is a functional ground it is not a protective ground It shall be connected to the mounting plate 12 2 Low Voltage Products Systems 1SXU 132 021 M02...

Страница 93: ...Terminal 3 is a functional ground it is not a protective ground It shall be connected to the mounting plate IGH VOLTAGE 12 2 Circuit Inside Delta PST30 PST300 Low Voltage Products Systems 12 3 ABB Inc...

Страница 94: ...1050 Figure 3 Circuit diagram PSTB370 PSTB1050 Terminal 3 is a functional ground it is not a protective ground It shall be connected to the mounting plate 12 4 Low Voltage Products Systems 1SXU 132 02...

Страница 95: ...LTAGE Chapter 12 Diagrams 12 4 Circuit Inside Delta PSTB370 PSTB1050 Figure 4 Circuit diagram PSTB370 PSTB1050 Low Voltage Products Systems 12 5 ABB Inc 888 385 1221 www abb control com 1SXU 132 021 M...

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