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Delta Electronics manual Over Heat OH, Overload, OL1/ OL2, Troubleshooting VFD-S Series

Models: VFD-S

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Chapter 7 Troubleshooting VFD-S Series

7.5 Over Heat (OH)

AC motor drive overheats

Heat sink overheats

Check if temperature of heat sink No is greater than 90 OC

Yes

Temperature detection malfunctions. Please contact DELTA.


Is load too large		Yes		Reduce load
Is load too large				Reduce load
	No
	No
			No
If cooling fan functions normally
					Change cooling fan
					Change cooling fan
	Yes
	Yes
			Yes		Remove obstruction
Check if cooling fan is jammed			Yes
Check if cooling fan is jammed
	No
	No
Check if surrounding temperature				No		Maybe AC motor drive has malfunction or
is within specification						misoperation due to noise. Please contact
is within specification						DELTA.
	Yes					DELTA.



Adjust surrounding temperature
to specification

7.6 Overload

OL		OL1/ OL2


	Check for correct settings at
	Pr. 06-06 and 06-07
			Yes
				No
	Is load too large			No
	Is load too large
			Yes
			Yes

No	Modify setting

Maybe AC motor drive has malfunction or misoperation due to noise.

Reduce load or increase the power of AC motor drive

7-4	Revision August 2008, SE09, SW V2.61

Page 143

Image 143

Delta Electronics Over Heat OH, Overload, OL1/ OL2, Troubleshooting VFD-S Series, Remove obstruction, Pr. 06-06 and

Contents

Page Page Page DANGER PrefacePLEASE READ PRIOR TO INSTALLATION FOR SAFETY Page Preface Table of ContentsTable of Contents Chapter 2 Installation and WiringChapter 5 Parameters Chapter 4 Digital Keypad OperationChapter 7 Troubleshooting Chapter 6 Fault Code InformationAppendix C How to Select the Right AC Motor Drive Chapter 8 Maintenance and InspectionsAppendix A Specifications Appendix B Accessories1.1.2 Model Explanation Chapter 1 Introduction1.1 Receiving and Inspection 1.1.1 Nameplate InformationTaoyuan 230V 3-phase 1HP0.75kW Model 1.1.3 Series Number Explanation1.1.4 Drive Frames 1.2 Appearances1.3 Installation Steps 1.4 Storage 3. If the AC motor drive is stored for more than 3 months, the temperature should not be higher than 30 C. Storage longer than one year is not recommended, it could result in the degradation of the electrolytic capacitors Revision August 2008, SE09, SW This page intentionally left blankChapter 1 IntroductionVFD-S Series 2.1 Ambient Conditions Chapter 2 Installation and Wiring2.2 Installation 50mm 2inch 50mm 2inch 150mm 6inch 150mm 6inchAir Flow Frame S1 VFD002S11A, VFD002S21A, VFD002S23A 2.3 DimensionsDimensions are in millimeter and inch 73 .0 2 .8 5. 8 088 .0 3 .4 13 .0 0 .52 .9 Chapter 2 Installation and WiringVFD-S Series3 .3 5. 8 02. 8 0 85 .0 3 .310 2. 0 4 74 .0 2 .95. 0 0 Chapter 2 Installation and WiringVFD-S Series85 .0 3 .3 74 .0 2 .9 5. 8 02 .9 3 .35. 8 0 12 4. 0 42 .9 Chapter 2 Installation and WiringVFD-S Series3 .3 5. 8 012 6. 0 4 Chapter 2 Installation and WiringVFD-S Series3 .3 5. 8 012 7. 0 5 Chapter 2 Installation and WiringVFD-S Series3 .3 5. 8 012 9. 0 5 Chapter 2 Installation and WiringVFD-S Series86 .5 3 .4 5. 4 067 .8 2 .6 Chapter 2 Installation and WiringVFD-S Series10 0. 0 3 86 .5 3 .4 73 .0 2 .8 12 9. 0 512 9. 3 5 8. 5 0 Chapter 2 Installation and WiringVFD-S Series5. 4 0 5. 5 053.9 Chapter 2 Installation and WiringVFD-S SeriesFrame S2 VFD015S21U, VFD015S43U, VFD022S21U, VFD022S43U 67.82.4 Wiring DANGER 2.4.1 Basic WiringBasic Wiring Diagrams For VFDXXXSXXA/B/D/U Chapter 2 Installation and WiringVFD-S Serieswhen power supply fault outputT/L3 Chapter 2 Installation and WiringVFD-S SeriesR/L1 S/L2Two/Three wire control For VFDXXXSXXE NPN ModePNP Mode Chapter 2 Installation and WiringVFD-S Series2.4.2 External Wiring Forward running 2.4.3 Main Terminals ConnectionsMains power terminals R/L1, S/L2, T/L3 and L/L1, N/L2 Control circuit terminals U/T1, V/T2, W/T3Grounding terminals Terminals +2/B1, +1 for connecting DC reactorTerminals +2/B1, B2 for connecting brake resistor RJ11 2.4.4 Control TerminalsInternal Circuit Control signal wiring size 18 AWG 0.75 mm2 with shielded wireAFM circuit Digital outputs MO1, MCM wind each wires 3 times or more around the coreAnalog input terminals AVI, GND Digital inputs M0~M5, GND2-28 Power terminal2.4.5 Main Circuit Terminals Chapter 2 Installation and WiringVFD-S Series2-29 Power terminalChapter 2 Installation and WiringVFD-S Series Revision August 2008, SE09, SWRevision August 2008, SE09, SW Power terminalChapter 2 Installation and WiringVFD-S Series 2-302-31 Power terminalChapter 2 Installation and WiringVFD-S Series Revision August 2008, SE09, SWRevision August 2008, SE09, SW Power terminalChapter 2 Installation and WiringVFD-S Series 2-322-33 Power terminalChapter 2 Installation and WiringVFD-S Series Revision August 2008, SE09, SWRevision August 2008, SE09, SW Chapter 2 Installation and WiringVFD-S SeriesThis page intentionally left blank 2-34If the drive has built-in fan, it should run Chapter 3 Start Up3.1 Preparations before Start-up The keypad should light up as follows normal status with no error„ Check if acceleration and deceleration are smooth 3.2 Operation Method3.3 Trial Run „ Check if the motor direction of rotation is correct1. Stop running immediately if any fault occurs and refer to the troubleshooting guide for solving the problem Revision August 2008, SE09, SW This page intentionally left blankChapter 3 Start Up VFD-S Series 4.3 Explanations of Display Messages 4.2 Explanation of LED IndicatorsChapter 4 Digital Keypad Operation 4.1 Description of the Digital KeypadThe internal PLC process step currently being performed To shift data 4.4 How to Operate the Digital KeypadRevision August 2008, SE09, SW This page intentionally left blankChapter 4 Digital Keypad OperationVFD-S Series Chapter 5 Parameters Chapter 5 ParametersVFD-S Series 5.1 Summary of Parameter SettingsExplanation SettingsSettings SettingFactory SettingsSetting ExplanationGroup 3 Output Function Parameters Factory SettingsSetting ExplanationGroup 5 Multi-Step Speed and PLC Parameters Factory SettingsSetting ExplanationExplanation Group 9 Communication Parameters Factory SettingsSetting Explanation5.2 Parameter Settings for Applications „ Two-wire/three-wire „ Over-torque Setting „ Output Signal during Running „ Output Signal when Frequency Attained 0-00 5.3 Description of Parameter SettingsGroup 0 User Parameters This parameter can be set during operation0-05 d2 Multifunction display, see Pr.0-04 d3 Display output current LED A0-04 0-08 0-06Software Version 0-070-07 Password Decode Flow Chart0-08 0-07Revision August 2008, SE09, SW Setting for Pr8 factory setting Chapter 5 Parameters VFD-S Series1-03 1-001-01 1-021-07 1-051-06 Standard V/F Curve1-12 1-091-10 1-11Max. output Freq. Pr.1-00 Acceleration Time Jog operation commandONFrequency Time1-18 Disable S curveEnable S curve Acceleration/deceleration CharacteristicsGroup 2 Operation Method Parameters J1 Voltage signal input0-10V Current signal input4-20mA2-02 2-01 Source of Operation Command115V/230V/460V Series 3kHz10kHz 2-05 Loss of ACI Signal 4-20mA Analog Current Meter Group 3 Output Function Parameters3-01 Analog Frequency MeterFreq Display Pr.0-04=d1 TRG Counter Trigger Signal Multi-function Input Terminal2ms 2ms The width of trigger signal should not be less than 2ms250 Hz 3-06Description SettingFunction 4-02 Group 4 Input Function Parameters4-00 4-01This example shows a potentiometer range of 0 to 5 Volts Potentiometer Scale Potentiometer ScaleMax Output Pr.1-00 Freq 60Hz 0 HzParameters & Functions table 4-064-07 4-08REV/FWD FWD/STOPREV/STOP RUN/STOPd6 External Reset setting by d5 GNDRESET Mx Close Operation available setting by d6 GND d4, d5 External Faultsd11 Acceleration/Deceleration Speed Inhibit Mx Close Operation available d10 jog operation command GNDd10 Jog Operation Control Chapter 5 ParametersVFD-S Series d12 First or Second Acceleration/Deceleration Time Selectiond13, d14 External Base Block Mx Close Freq. will increase by one unit B.B.N.O Mx Close Operation available. setting by d13 B.B.N.CMx OpenOperation available. setting by d14 GND UP setting by d15 DOWN setting by d16d19 Counter Trigger PLC operation Mx Close Run PLC. setting by d17 Mx ClosePause PLCsetting by d18 GND d27 Press UP/DOWN key to switch forward/reverse N.O. motion Reset counter Mx close reset counter d20 reset the counter value GNDd20 Counter Reset d22 PID function disableM0 Open Stop, Close Run M1 No Function GND 4-11RUN/STOP 5-03 5-005-01 5-02Example 2 Pr.5-07 = d2 Continuously executes program cycles Example 4 Pr. 5-07 =d4 Continuously execute PLC cycles step by step Example 3 Pr. 5-07 = d3 Execute one cycle step by step0=Forward WeightsExample 5 Pr. 5-07 = d1 Execute one cycle of the PLC program 5-085-12 5-095-10 5-116-01 Group 6 Protection ParametersOver-current Stall Prevention Level Over-voltage Stall Prevention6-07 6-03 Over-Torque Detection Mode OL26-04 6-056-08 Present Fault RecordSecond Most Recent Fault Record Third Most Recent Fault Recordd20 Software protection enable codE d21 Reserved 7-02 Group 7 Motor Parameters7-00 7-018-02 Output Frequency8-00 8-018-07 8-04 Momentary Power Loss Operation Selection8-05 8-068-12 8-08 Skip Frequency 1 Upper Limit8-10 8-118-17 8-15Automatic Voltage Regulation AVR 8-16Computer 9-01RS485 1 +EV 2 GND 3 SG- 4 SG+ 9-037.E.1 ASCII modeRTU mode 7.N.2RTU mode ASCII mode3.2 ADR Communication Address RTU mode Command message 3 Command code 10H, write n word, n=12 3.4 Check sum ASCII mode Unsigned char* data Å a pointer to the message buffer Functions ContentAddress Functions ContentAddress Exception ASCII modeRTU mode Error message3.7 Communication program of PC A-03 A-00A-01 A-02A-08 A-05A-06 A-07A-12 Sleep FunctionA-10 A-11A-13 = 56-0 X 100100 X 10 = + + +1-00 Drange6.1 Common Problems and Solutions Chapter 6 Fault Code InformationChapter 6 Fault Code InformationVFD-S Series Fault 6.2 Reset Over-current during deceleration Chapter 7 Troubleshooting7.1 Over Current OC Over-current during accelerationChapter 7 Troubleshooting VFD-S Series 7.2 Ground Fault7.3 Over Voltage OV Ground fault7.4 Low Voltage Lv Check for correct settings at 7.5 Over Heat OH7.6 Overload Chapter 7 Troubleshooting VFD-S SeriesCheck wiring at R, S and T terminals 7.8 Phase Loss PHL7.7 Keypad Display is Abnormal Check if all connectors are connect correctly and no noise is presentRevision August 2008, SE09, SW 7.9 Motor cannot RunChapter 7 Troubleshooting VFD-S Series out of range upper/lower 7.10 Motor Speed cannot be ChangedChapter 7 Troubleshooting VFD-S Series Check to see if frequency issettings 7.11 Motor Stalls during Acceleration7.12 The Motor does not Run as Expected Chapter 7 Troubleshooting VFD-S Series7.14 Environmental Condition 7.13 Electromagnetic/Induction Noise7.15 Affecting Other Machines Periodic Inspection Chapter 8 Maintenance and InspectionsDANGER Daily InspectionChapter 8 Maintenance and InspectionsVFD-S Series Maintenance „ DC capacity of main circuit „ Printed circuit board and connector of main circuit Revision August 2008, SE09, SW Chapter 8 Maintenance and InspectionsVFD-S SeriesThis page intentionally left blank Voltage Class Appendix A SpecificationsVoltage Class 115V Class460V Class Appendix A SpecificationsVFD-S SeriesGeneral Specifications Voltage ClassB.1 All Brake Resistors & Brake Units Used in AC Motor Drives Appendix B Accessories9. Definition for Brake Usage ED% B.1.1 Dimensions and Weights for Brake resistors Choose suitable motor cable and precautions B.2 EMI FiltersInstallation General precaution1. Use the cable with shielding double shielding is the best The length of motor cable Order P/N RF007S21AA/ RF007S43AA B.2.1 DimensionsOrder P/N RF022S21BA Appendix B AccessoriesVFD-S SeriesOrder P/N 08TDT1W4S Appendix B AccessoriesVFD-S SeriesPOWER-IN Order P/N 12DKT1W3SB-10 Appendix B AccessoriesVFD-S SeriesPOWER-IN POWER-INB.3.2 AC Output Reactor Recommended Value B.3 AC Reactor B.3.1 AC Input Reactor Recommended ValueB.3.3 Applications for AC Reactor Application B.4 DC Choke Recommended Values Supply B.5 Zero Phase Reactor RF220X00AZero Phase Reactor PowerScrew Size B.6 Din Rail-DR01Models Appendix B AccessoriesVFD-S Series B.7 Remote Controller RC-01Dimensions are in millimeter Pr. 4-05 set to d06 M2 set for resetB-18 B.8 Conduit Bracket BK-SAppendix B AccessoriesVFD-S Series 73.02.87Fuse Specification Chart B.9 Non-fuse Circuit Breaker ChartRevision August 2008, SE09, SW Appendix B AccessoriesVFD-S SeriesThis page intentionally left blank B-20Related Specification Appendix C How to Select the Right AC Motor Drivek ⋅ N C.1 Capacity Formulasn T + n s k s − 1 = P C 1 ⎢ ⎢ n T + I M ⎢1+cosϕ Symbol explanationk ⋅ IM ≤ the rated current of AC motor drive A k ⋅ 3 ⋅VM ⋅ IM ⋅10−3 ≤ the capacity of AC motor drivekVASelection Note C.2 General PrecautionsParameter Settings Note continuous C.3 How to Choose a Suitable Motortorque% 25% 40% 60% 100Special motors „ To avoid resonances, use the Skip frequenciesMotor torque Power Transmission MechanismMotor

7.5 Over Heat (OH)

Remove obstruction

7.6 Overload

OL1/ OL2

Check for correct settings at

Pr. 06-06 and 06-07