Over Heat OH1, Overload | Delta Electronics VFD-M manual

Chapter 5 Troubleshooting

5.5 Over Heat (OH1)

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

5.6 Overload

OL		OL1/ OL2


	Check for correct settings at
	Pr. 58 and Pr.59
			Yes
			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 May 2008, ME14, SW V3.04

Image 125

Delta Electronics VFD-M manual Over Heat OH1, Overload

Contents

Page Page Page Preface Page Table of Contents Parameters TroubleshootingKeypad and Start Up Appendix a Specifications Appendix B Accessories Fault Code Information and Maintenance Appendix C How to Select the Right AC Motor Drive Introduction Nameplate Information Receiving and InspectionModel Explanation Series Number Explanation D007M23A0 T 5 External Parts and Labels RST Side UVW Side Remove Instructions Remove Keypad Remove Front Cover Minimum Mounting Clearances Preparation for Installation and Wiring Ambient Conditions 50 mm 150mm Model Name Dimensions This page intentionally left blank Installation and Wiring L1 NFB Basic Wiring Diagram Excellent Good Not allowed Appendix a External Wiring Mains power terminals R/L1, S/L2, T/L3 Terminal SymbolMain Circuit Main Circuit Connection Explanation of Terminal Function Output terminals for main circuit U, V, W Terminals B1, B2 for connecting external brake unit AWG Main Circuit Terminals RB-RC Control Terminal Wiring Factory SettingsRA-RC ACI AVIAFM M0~M5-GND MCM MO1Analog inputs AVI, ACI Digital outputs MO1 General Keypad Description of the Digital Keypad Keypad and Start Up Displayed Message How to Operate the Digital Keypad LC-M02E LED LC-M02E Keypad and Start Up Trial Run Operation Method Check following items Parameters Setting Summary of Parameter SettingsParameter Explanation Settings Factory Parameter Explanation Settings Factory 01 M0 RUN/STOP, M1 REV/FWD Reset00 M0 FWD/STOP, M1 REV/STOP Second Source for Frequency Command FLA Parameter Explanation Settings Factory CFA PLC FWD/REV Only Input positive PID feedback, PV from AVI Parameter Explanation Settings Factory Parameter Explanation Settings Factory Multi-step Operation Applications Purpose Functions Parameter Settings for ApplicationsDC Braking before Running Applications Purpose Functions Wire Two-wire/three-wire Applications PurposeOperation Command Applications Purpose Overheat Warning Applications Purpose Parameters Parameters Parameters Parameters Pr.00 Source of Frequency Command Description of Parameter SettingsPr.01 Pr.02 Stop Method Pr.04 Pr.03 Pr.07 Pr.06Pr.08 Pr.09 Commonly used V/F Setting General Purpose Pr.11 Pr.10Pr.12 Pr.13 Pr.16 Pr.14Pr.15 Pr.18 Pr.17Pr.19 Pr.20 Pr.26 Pr.24 Reverse Operation Inhibition Pr.28 Pr.27 Pr.31 Pr.29Pr.30 Pr.35 Pr.33Pr.34 Pr.37 Pr.36 Explanations Pr.38 Pr.39 Settings Function DescriptionPr.40 Pr.42 Settings Function Description GND First or Second Mx Close Run PLC Parameter value 18 programs Multi-Function Input Terminal Contact N.C. is reverse, once this function is set Pr.44 Pr.43 Analog Output Signal Pr.46 Pr.45 MO1 Pr.47 Pr.51 Potentiometer Reverse Motion EnablePr.48 Pr.49 Example Max Output Pr.03 Freq 60Hz Bias 10Hz Pr = FWD Pr.53 Pr.52Pr.54 Pr.55 Pr.59 Pr.58 Pr.61 Pr.60Pr.62 Pr.64 Pr.66 Pr.65 Pr.68 Pr.67Pr.69 Pr.70 Pr.75 Third Most Recent Fault Record Pr.73 Present Fault Record Pr.74 Pr.77 Pr.76 Parameter Lock and ConfigurationPr.78 PLC Operation Mode Program input off and then back on Example 3 Pr.78 = 03 Execute one cycle step by step Example 2 Pr.78 = 02 Continuously executes program cycles REV Application Note Weights =Forward =Reverse Bit Pr.81 Pr.80Pr.82 Pr.83 Computer Control Pr.89 Transmission Speed Baud ratePr.92 Communication Protocol Data Format +15V 2 GND SG- 4 SG+ 6 for communication Communication Protocol Ascii mode Start RTU modeADR END LRC CHK STX ADR6FH F7H ‘6’ Starting data address ‘0’ ‘1’ A0H 0FHB2H CDH Starting address 21H 02H Read at one time CPU or analog circuit failure cF3 Parameters Void main Int OutportbPORT+MCR,0x08 Pr.96 Pr.93 Accel 1 to Accel 2 Frequency Transition Pr.94Pr.95 Pr.98 Pr.97Pr.99 Pr.100 Pr.104 R1 Value Pr.103 Auto Tune Motor parameters Pr.106 Pr.105 Control ModePr.107 Pr.108 Cooling Fan Control Pr.112Pr.113 Integral Time PID Feedback Terminal Selection Factory Setting 100 % PID Offset Level Settings To 50.0 % Inverts Reference Signal 0-20mA External Up/Down Selection Wake Up Frequency Unit 0.10Hz Settings 00 to 400.0 Hz Save Parameters Reserved Pr.157 Communication Mode SelectionPr.155 Pr.156 Parameters This page intentionally left blank Over Current OC Troubleshooting Over Voltage OV Ground Fault Low Voltage Lv Overload Over Heat OH1 Keypad Display is Abnormal Phase Loss PHL Motor cannot Run Motor Speed cannot be Changed Motor does not Run as Expected Motor Stalls during Acceleration Environmental Condition Electromagnetic/Induction Noise Affecting Other Machines Serial reactor Phase lead capacitor Fault Name Fault Descriptions Fault Code InformationCommon Problems and Solutions Fault Name Fault Descriptions Corrective Actions Fault Name Fault Descriptions Fault Name Fault Descriptions Maintenance and Inspections Reset Voltage Maintenance Check Items Methods and Criterion Change of copper plate Keypad Maintenance Check Items Methods and CriterionMain circuit Maintenance Check Items Methods and Criterion One One Daily 230V Class Voltage Class115V Class 575V Class General Specifications460V Class Analog Output Signal Analog frequency/current signal output This page intentionally left blank All Brake Resistors & Brake Units Used in AC Motor Drives Appendix B Accessories Appendix B Accessories Dimensions are in millimeter Dimensions and Weights for Brake Resistors& Brake Units Appendix B Accessories Non-fuse Circuit Breaker Chart Fuse Specification Chart AC Output Reactor Recommended Value AC Reactor AC Input Reactor Recommended Value Applications Mains circuit Diagram B Zero Phase Reactor RF220X00ADiagram a VFD-M Programming Remote Controller RC-01 Explanation of Display Message PU06 Description of the Digital Keypad VFD-PU06 XX-XX Operation Flow Chart 16TDT1W4S AMD EMI Filter Cross Reference40TDS4W4B Choose suitable motor cable and precautions Length of motor cable EMI Filter RF015M21AA / RF022M43AA Appendix B Accessories Din Rail Din Rail-DR01 Adapter Din Rail-DR02 Adapter Related Specification Appendix C How to Select the Right AC Motor Drive Capacity Formulas When one AC motor drive operates one motorWhen one AC motor drive operates more than one motor ⋅ IM ≤ the rated current of AC motor drive a Selection Note General PrecautionParameter Settings Note Standard motor How to Choose a Suitable Motor 、 Pole-changing Dahlander motor Special motors Motor torque Power Transmission Mechanism This page intentionally left blank