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8-4
Fault
display
Probable cause and remedy
Fault name and
meaning
uU2
Control power supply
undervoltage (UV2)
The control power supply
voltage has reached the
undervoltage detection
level.
·
Internal circuit fault.
®
Turn the Inverter OFF and ON.
®
Change the Inverter if the same fault occurs
again.
OH
Radiation fin
overheated (OH)
The temperature of the
radiation fins of the
Inverter has reached
110
_
C
±
10
_
C.
·
The ambient temperature is too high.
®
Ventilate the Inverter or install a cooling unit.
·
The load is excessive.
®
Reduce the load.
®
Decrease the Inverter capacity.
·
The V/f setting is incorrect.
®
Reduce the V/f set voltage.
·
The acceleration/deceleration time is too short.
®
Increase the acceleration/deceleration time.
·
The ventilation is obstructed.
®
Change the location of the Inverter to meet the
installation conditions.
·
The cooling fan of the Inverter does not work.
®
Replace the cooling fan.
Maintenance Operations
Chapter 8
Summary of Contents for SYSDRIVE 3G3MV A2002
Page 1: ...USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter Cat No I527 E2 02...
Page 15: ...Chapter 1 Overview 1 1 Function 1 2 Nomenclature 1 3 New Features 1...
Page 24: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
Page 89: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
Page 286: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Page 311: ...Chapter 10 List of Parameters 10...
Page 342: ...Chapter 11 Using the Inverter for a Motor 11...
Page 348: ...Appendix A Standard Models...