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Omron SYSDRIVE 3G3EV User Manual

Omron SYSDRIVE 3G3EV
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5-6
Data
display
Cause and actionDescription
uU1
Main circuit undervoltage (UV1)
The DC voltage of the main circuit
dropped below the specified level.
3G3EV-A2jjjM: Approximately
200 V or less
3G3EV-ABjjjM: Approximately
160 V or less
3G3EV-A4jjjM-CUE:
Approximately 400 V or less
The input power voltage dropped.
Open-phase occurred.
An instantaneous power interruption
occurred.
Check the power voltage.
Check the power input line for discon-
nection.
Check the terminal block screws for
looseness.
uU2
Control power supply fault (UV2)
A voltage fault occurred in control
power supply.
Turn the power off, then on.
If this problem persists, replace the
Unit.
%h
Radiation fin overheated (OH)
The radiation fin overheated because
of ambient temperature rise or Inverter
temperature rise due to overload.
Load is excessive.
Reduce the load.
The V/f characteristics are inappropri-
ate.
Reset constant Nos. 24 to 26.
The acceleration/deceleration time or
cycle time is too short.
Increase the acceleration/de-
celeration time or cycle time.
The ambient temperature is too high.
Install a cooling fan or air con-
ditioner.
Operation Chapter 5

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Omron SYSDRIVE 3G3EV Specifications

General IconGeneral
BrandOmron
ModelSYSDRIVE 3G3EV
CategoryInverter
LanguageEnglish

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