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Delta Electronics VFD-EL Over Heat OH1, Overload, OL1/ OL2, Is load too large, Troubleshooting

Models: VFD-EL

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Chapter 5 Troubleshooting

5.5 Over Heat (OH1)

AC motor drive ov erheats

Heat sink overheats

Chec k if temperature of heat sink is greater than 90 O C

No		Temperature detection malfunctions.
		Please c ontact D ELTA.

Yes

Is load too large

Yes

Reduce load

If cooling fan functions normally

Yes

Chec k if cooling f an is jammed

Chec k if surrounding temperature is within specification

Adjust surrounding temperature to specification

	Change cooling f an
Yes
Yes	Remove obstruct ion
	Remove obstruct ion

Yes		Maybe AC motor drive has malfunction or
		misoperation due to noise. Please contact
		DELTA .

5.6 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

5-4	Revision August 2008, 2ELE, V1.02

Page 155

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Delta Electronics VFD-EL manual Over Heat OH1, Overload, OL1/ OL2, Is load too large, Troubleshooting

Contents

Page Page Page DANGER PrefacePLEASE READ PRIOR TO INSTALLATION FOR SAFETY Page Preface Table of ContentsTable of Contents Chapter 2 Installation and WiringChapter 4 Parameters Chapter 5 TroubleshootingChapter 3 Keypad and Start Up Appendix B Accessories Chapter 6 Fault Code Information and MaintenanceAppendix A Specifications B.8.1 DeviceNet Communication Module CME-DN01 Capacity Formulas Appendix C How to Select the Right AC Motor DriveGeneral Precaution How to Choose a Suitable MotorThis page intentionally left blank Chapter 1 Introduction 1.1.2 Model Explanation 1.1 Receiving and Inspection1.1.1 Nameplate Information Chapter 1 Introduction 1.1.3 Series Number Explanation 007EL23A 0T 71.1.4 Drive Frames and Appearances T Taoyuan, W Wujiang 230V 3-phase 1HP0.75kW ModelRFI Jumper Location Internal StructureRemove Front Cover 1.2 Preparation for Installation and Wiring1.1.5 Remove Instructions RFI JumperMinimum Mounting Clearances 1.2.1 Ambient ConditionsFrame B Mounting Clearances 150mm Installation with Metal SeparationInstallation without Metal Separation 120mm1.3 Dimensions Revision August 2008, 2ELE VFD015EL23A/43AChapter 1 Introduction 1-10Chapter 2 Installation and Wiring DANGER 2.1 WiringChapter 2 Installation and Wiring Figure 1 for models of VFD-EL Series Chapter 2 Installation and WiringChapter 2 Installation and Wiring Factory setting Chapter 2 Installation and WiringFactory setting Factory settingD. PNP mode with external power Revision August 2008, 2ELE Chapter 2 Installation and WiringExcellent Good Not allowedBUE BR 2.2 External WiringunitBrak resistorBrake Explanation of Terminal Function 2.3 Main Circuit 2.3.1 Main Circuit ConnectionTerminal Symbol Mains power terminals R/L1, S/L2, T/L3Output terminals for main circuit U, V, W Terminals +, - for connecting brake resistor2.3.2 Main Circuit Terminals MI4 MI6 DCM AFM ACM 2.4 Control Terminals24V MI1 MI3 MI5 10V AVI RS-485internal circuit +10VAVI C ACM DANGERAnalog inputs AVI, ACM GeneralRA RB RC The specification for the control terminals24V MI1 MI3 MI5 10V AVI RS-485Revision August 2008, 2ELE Chapter 2 Installation and WiringThis page intentionally left blank 2-16Status Display Chapter 3 Keypad and Start Up3.1 Description of the Digital Keypad 7 STOP/RESETDescriptions Display MessageTo shift data 3.2 How to Operate the Digital Keypad3.4 Operation Method ACI/AVI 3.5 Trial Run+24V +10V1. After applying the power, verify that LED display shows F 60.0Hz Chapter 4 Parameters Group 0 User Parameters 4.1 Summary of Parameter SettingsSettings SettingParameter Explanation SettingsSetting ParameterParameter SettingsSetting Group 2 Operation Method ParametersExplanation SettingsSetting ParameterParameter Explanation SettingsSetting ParameterParameter Explanation SettingsSetting ParameterParameter Parameter Explanation SettingsSetting ParameterParameter Parameter Explanation SettingsSetting ParameterParameter Parameter Explanation SettingsSetting ParameterExplanation SettingsSetting Parameter4.2 Parameter Settings for Applications RUN/STOP VFD-ELFWD/STOP REV/STOPAuto Restart after Fault Carrier Frequency Setting Output Signal for Base Block 00.02 4.3 Description of Parameter SettingsParameter Reset 00.03 Start-up Display Selection 00.08 00.04 Content of Multi-function Display00.05 00.09 Password SetReserved 00.10Reserved 00.1101.03 01.0001.01 01.0201.07 V/f Curve01.05 01.0601.11 01.0801.09 01.10The definition of Accel./Decel. Time 01.1301.14 01.15The definition of JOG Accel./Decel. Time 01.1301.14 Acceleration/deceleration Characteristics Disable S curveEnable S curve Group 2 Operation Method Parameters 02.10 Combination of the First and Second Master Frequency Command Chapter 4 Parameters When Pr.02.02 is set to 2 orWhen Pr.02.02 is set to 0 or 02.03Method A 2kHz8kHz 12kHz02.04 Motor Direction Control Factory Setting 1. When Pr.02.05 is set to 0 or 2, AC motor drive will run immediately output frequency Pr.02.05=0 or 1 it will run power is appliedMI1-DCM close OFF ON02.15 When Pr.02.07 is set to 2 increase/decrease the frequency by Pr.02.0802.11 02.12Function Display ValueFunction Display ValueUser-defined Value 02.19Description SettingsGroup 3 Output Function Parameters Function03.02 SettingsFunction Description03.04 03.03 Analog Output Signal AFMEx03.05=5,03.06=3 03.0503.06 Frequency Output Case 1 Pr.03.12 Pr Case 2 Pr.03.12 Time Run/Stop 03.0803.11 03.12Chapter 4 Parameters Settings Read OnlyFactory setting ## 03.13 Display the Status of RelayExample 1 Standard application Group 4 Input Function Parameters04.00 04.02Example 3 Use of bias and gain for use of full range Example 4 Use of 0-5V potentiometer range via gain adjustmentpotentiometer range Example 5 Use of negative bias in noisy environment04.14 04.1104.12 04.1301.00=60.00 Hz 04.14=70 VFD-EL SettingsVFD-EL VFD-ELNOTE Pr.05.00 to Pr.05.14 can also be used to control output Description SettingsFunction 04.09 WeightsSettings 04.10 Weights04.27 Weights0=Active 1=Off5 4 3 2 1 0 MI1 05.03 05.0005.01 05.02MI3=1 MI6=4MI5=3 MI4=2output frequency Frequency Held Group 6 Protection Parameters06.00 high voltage at DC side over-voltage detection level time06.02 06.0106.01 06.05 over-current stall prevention during operation06.04 06.07 Operation time secondsLoad factor %06.08 Present Fault Record 06.09 Second Most Recent Fault Record Chapter 4 Parameters 29-31 Reserved 32 ACI signal error AErr 33 Reservedcause of the fault, use the reset command to reset the drive 34 Motor PTC overheat protection PtC1 35-40 Reserved07.02 Group 7 Motor Parameters07.00 07.0107.12 07.09 Reserved07.10 07.11internal circuit resistor-divider07.13 resistor value Ω07.15 07.1608.02 DC Brake Time08.00 08.0108.05 08.04 Momentary Power Loss Operation SelectionBaseblock Time for Speed Search BB SettingsFactory Setting 08.0708.11 08.0808.09 08.10frequency setting frequencyinternal 08.16100% 70% 08.20 08.19Reserved 09.00 RS-485Group 9 Communication Parameters ASCII mode 09.03RTU mode For RTU RTU mode RTU mode ASCII modeRTU mode ASCII modeASCII mode RTU mode forj=0j8j++ ifregcrc & 0x01 /* LSBb0=1 */ regcrc=regcrc1 0xA001 Content Content RTU mode ASCII mode3.7 Communication program of PC Exception code09.07 outportbPORT+MCR,0x084-99 RS485 BUS PC commandChapter 4 Parameters Revision August 2008, 2ELE10.02 Group 10 PID Control10.11 10.05 The parameter can be set during operation for easy tuning10.03 10.0410.07 10.0610.14 10.1010.12 10.1310.16 the max. value you would like to convert 10.18Setpoint Feedback value10.23 10.2110.22 Offset level of liquid leakage set point10.24 feedbac k v al ue10.33 10.27Reserved 5.1 Over Current OC Chapter 5 TroubleshootingChapter 5 Troubleshooting 5.2 Ground Fault5.3 Over Voltage OV 5.4 Low Voltage Lv Chapter 5 Troubleshooting 5.5 Over Heat OH15.6 Overload Reduce load or increase the power of AC motor drive5.7 Keypad Display is Abnormal 5.8 Phase Loss PHLChapter 5 Troubleshooting 5.9 Motor cannot RunChapter 5 Troubleshooting 5.10 Motor Speed cannot be ChangedThicken or shorten the wiring between the motor or AC motor drive 5.11 Motor Stalls during Acceleration5.12 The Motor does not Run as Expected Chapter 5 Troubleshooting5.14 Environmental Condition 5.13 Electromagnetic/Induction Noise5.15 Affecting Other Machines 6.1.1 Common Problems and Solutions Chapter 6 Fault Code Information and Maintenance6.1 Fault Code Information Chapter 6 Fault Code Information and Maintenance Fault Fault Periodic Inspection 6.1.2 Reset6.2 Maintenance and Inspections Daily InspectionDANGER Periodical Maintenance Ambient environmentMaintenance MaintenanceKeypad Terminals and wiring of main circuit Transformer and reactor of main circuit Check Items MaintenanceMaintenance Cooling fan of cooling systemVoltage Class Appendix A SpecificationsVoltage Class 115V Class460V Class Appendix A SpecificationsGeneral Specifications Voltage ClassEnviromental Appendix A SpecificationsGeneral Specifications Revision August 2008, 2ELE Appendix A SpecificationsThis page intentionally left blank B.1 All Brake Resistors & Brake Units Used in AC Motor Drives Appendix B Accessories8. Definition for Brake Usage ED% Cycle Time VFD Series100% ED% = T1/T0x100%B.1.1 Dimensions and Weights for Brake Resistors Order P/N BR500W030, BR500W100, BR1KW020, BR1KW075 Revision August 2008, 2ELE Appendix B AccessoriesOrder P/N BR1K0W050 Order P/N BR1K0W050, BR1K2W008, BR1K2W6P8, BR1K5W005, BR1K5W040B.2 No Fuse Circuit Breaker Chart B.3 Fuse Specification Chart 3% impedance B.4 AC Reactor B.4.1 AC Input Reactor Recommended ValueB.4.2 AC Output Reactor Recommended Value 3~5% impedanceB.4.3 Applications AC motor drive reactor motor powerSilicon Controlled Rectifier reactorDiagram B B.5 Zero Phase Reactor RF220X00ADiagram A 8 6 5 4 16 15 14 13 11 RC-01Terminal block B.6 Remote Controller RC-01Appendix B Accessories B.7 PU06 B.7.1 Description of the Digital Keypad VFD-PU06B.7.2 Explanation of Display Message XXXXX -ERR- -END B.7.3 Operation Flow ChartAppendix B Accessories XX-XXADD1 ADD2 B.8.1.1 Panel Appearance and DimensionsB.8.1.2 Wiring and Settings B.8 Fieldbus Modules B.8.1 DeviceNet Communication Module CME-DN01B.8.2 LonWorks Communication Module CME-LW01 B.8.2.1 Introduction B.8.1.3 Power SupplyB.8.2.2 Dimensions B.8.1.4 LEDs Display„ Terminal definition for LonTalk system B.8.2.3 SpecificationsB.8.2.4 Wiring B.8.2.5 LED IndicationsB.8.3 Profibus Communication Module CME-PD01 B.8.3.1 Panel Appearance B.8.3.5 PROFIBUS Address B.8.3.2 DimensionsB.8.3.3 Parameters Settings in VFD-EL B.8.3.4 Power SupplyB.8.4.1 Product Profile B.8.4.2 SpecificationsB.8.4 CME-COP01 CANopen Baud Rate Setting B.8.4.3 ComponentsMAC ID Setting B.8.4.4 LED Indicator Explanation & TroubleshootingERROR LED C CLAMP B.9 MKE-EP & DIN Rail B.9.1 MKE-EPAppendix B Accessories EMC earthing plate for Shielding CableVFD015EL23A/43A B.9.2 DIN Rail MKEL-DRA Only for frame ADimensions Appendix B AccessoriesRelated Specification Appendix C How to Select the Right AC Motor Driven T + I M ⎢1+ C.1 Capacity FormulasAppendix C How to Select the Right AC Motor Drive n T + n s k s − 1 = P C 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 PrecautionParameter Settings Note continuous C.3 How to Choose a Suitable Motortorque% 25% 40% 60% 100Special motors Motor torque Power Transmission MechanismRevision August 2008, 2ELE Appendix C How to Select the Right AC Motor DriveThis page intentionally left blank