Omron RX Series User Manual page 581

Name
Servo Drive
error
Thermistor
error
Brake error
Emergency
*2
shutoff
Overload
protection in
low speed
range
Modbus
communication
(Modbus error)
*1. If this occurs, the inverter will not accept the reset operation via the terminal RS or the STOP/RESET key. Turn
off the power supply once.
*2. If this occurs, the inverter will not accept the reset operation via the Digital Operator. Be sure to reset it via the
terminal RS.
High-function General-purpose Inverter 3G3RX-V1 User's Manual (I578-E1)
Description
The inverter shuts off its output to
protect the main element if a
momentary overcurrent, temperature
error in the main element, or drop in
the main element driving power
supply occurs.
Retry operation cannot be performed
after this trip.
The inverter shuts off its output if it
detects an abnormal motor
temperature rise from the thermistor
resistance value inside the motor
connected to the terminal TH.
This alarm appears when the Brake
Control Function Selection (b120) is
set to 01 (Enabled), if the inverter
cannot recognize the brake ON/OFF
status within the Brake Error
Detection Time (b124) after it outputs
the brake release signal.
The inverter shuts off the hardware
output and displays an alarm if the
terminal EMR (S3) turns ON with
SW1 on the logic board ON.
The inverter shuts off its output if the
inverter built-in electronic thermal
function detects an overload in the
lowest speed range of 0.2 Hz
maximum (2nd Electronic Thermal
Level).
(However, a higher frequency may
remain displayed in the Fault
Monitor.)
This alarm appears if the timeout
occurs due to disconnection during
Modbus communication.
Alarm
code on
Check and remedy
Digital
Operator
Is there any output short-circuit? (Check the
output wires.)
Is there any ground fault? (Check the output
wires and the motor.)
E30.
Is the main element damaged?
(Check the Servo Drive.)
Is there any clogging in the fin?
(Clean the fin.)
Is the motor temperature too high?
(Check the motor temperature.)
Is there any damage to the thermistor inside
E35.
the motor? (Check the thermistor.)
Is there any noise in the thermistor signal?
(Separate the wiring.)
Is the brake ON/OFF function working?
(Check the brake.)
Is the time set in b124 too short?
E36.
(Increase the b124 value.)
Is the brake confirmation signal input?
(Check the wiring.)
Is there any error in the external equipment
when the emergency shutoff function is
E37.
selected?
(Correct the external equipment error.)
Is the load too heavy? (Reduce the load
E38.
rate.)
Is the communication speed correct?
E41.
Is the wiring distance appropriate? (Check
the connection.)
10 Troubleshooting
10 - 7
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