Omron SYSDRIVE 3G3EV SERIES User Manual


Data
display
Cause and actionDescription
 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.
•TheV/fcharacteristicsare 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.
 Motor overload (OL1)
The electronic thermal relay actuated
the motor overload protection function.
•Review the load size, V/f characteris-
tics, acceleration/deceleration time,
and cycle time.
•Set the rated motor amperage in
constant No. 31 (electronic thermal
reference current).
 Inverter overload (OL2)
The electronic thermal relay actuated
the Inverter overload protection
function.
•Review the load size, V/f characteris-
tics, acceleration/deceleration time,
and cycle time.
•Review the Inverter capacity.
 Over-torque (OL3)
A current exceeding the value set in
n51 flowed for more than the time set
in n52.
•Check if the n51 and n52 settings are
appropriate.
•Check the machine use status, and
eliminate the cause of the problem.
 External fault (EF1)
The Inverter received abnormal input
from external circuits.
•Review the external circuits.
•Review the external sequence.
•Check the signal line of multi-function
contact input for disconnection.
 Chapter 5

Omron SYSDRIVE 3G3EV SERIES Specifications

General

Brand	Omron
Model	SYSDRIVE 3G3EV SERIES
Category	Inverter
Language	English