Protective Functions And Troubleshooting; Error Code List - Omron 3G3RX User Manual

5-1 Protective Functions and Troubleshooting

5Maintenance Operations
5-1 Protective Functions and
Troubleshooting

Error Code List

Name
If the motor is
restrained or rapidly
accelerated or
decelerated, a large
current flows through
5
the Inverter, which
results in a
malfunction. The
current exceeding
the specified level
shuts off the output
Overcurrent and an error
trip appears.
This protection
function detects an
overcurrent through
the AC CT (current
detector).
The protection circuit
is activated at
approximately 220%
of the Inverter rated
output current and a
trip occurs.
Monitors the Inverter output current
and shuts off the output, displaying
Overload
an error if the built-in electronic
trip
thermal function detects overload
*1
against the motor.
Trips depending on the electronic
thermal function settings.
Braking Shuts off the output and displays an
resistor error if the usage rate of
overload regenerative braking circuit exceeds
trip the b090 set value.
5-1
Description Error Code
Constant
E01.0
speed
Deceleration E02.0
Acceleration E03.0
Others E04.0
E05.0
E06.0
Points to check and remedy
Is there any rapid load fluctuation?
(Eliminate load fluctuation.)
Is there any output short-circuit?
(Check the output wires.)
Is there any ground fault?
(Check the output wires and motor.)
Is there any rapid deceleration?
(Increase the deceleration time.)
Is there any rapid acceleration?
(Increase the acceleration time.)
Has the motor shaft been locked?
(Check the motor and wires.)
Is the torque boost too high?
(Lower the torque boost.)
Is the DC injection braking too high?
(Lower the injection breaking.)
Is there any error on CT?
(Replace or repair the CT.)
Is the load too large?
(Reduce the loading factor.)
Is the thermal level correct?
(Adjust the thermal level to an appropriate
level.)
Note: The electronic thermal function is set to
work easily at 5 Hz or lower. If a large
load inertial moment is applied, the
overload protect function works when
the motor starts accelerating, and the
load prevents it from accelerating. In
this case, increase the torque boost or
take other measures for adjustment.
Is there any rapid deceleration?
(Increase the deceleration time.)
Is the operation cycle frequent?
(Decrease the number of operation cycles.)
Is the usage rate setting of the regenerative
braking function low?
(Set to an appropriate level.)
Note: Pay attention to the allowable power of
the resistor.
Reference
page

4-8
4-37
4-8
4-37
4-24
4-46
4-8
4-74