Omron SYSDRIVE MX2 SERIES User Manual

7-5
7-1 Error Display and Remedial Actions
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
7
Maintenance Operations
Brake error A trip will occur if brake ON/OFF cannot
be confirmed within the Brake
Confirmation Wait Time (b124) after the
Inverter has issued a brake release
output, provided that the Brake Control
function is enabled (b120 = 01).
E36.
 Is the brake ON/OFF
function working?
→Check the brake.
Is the set time for b124 too
short?
→Increase b124 .
Has the brake confirmation
signal been input?
→Check the wiring.
5-142
Emergency
shutoff
*1
E37.  −
−
Overload
protection in a
low speed
range
If an overload occurs in the extremely
low speed range of 0.2 Hz or below, it
will be detected by the built-in
electronic thermal of the Inverter and a
trip will occur. (However, the error
history may indicate a high frequency).
E38.
 Is the load too large?
→Decrease the load rate.
−
Poor Digital
Operator
connection
A trip will occur upon error in the
communication with, or disconnection
of, the external Digital Operator or LCD
Operator.
E40.  Is there any communication
error?
→Check/replace the
cable.
(Note that if b165 is set
to "02," this error will
not be detected).
−
Modbus
communication
(Modbus-RTU)
error
A trip will occur upon timeout if the
communication error selection is set to
tripping (C076 = 00).
E41.  Is the communication
speed correct?
→Check the setting.
Is the wiring distance
appropriate?
→Check the
communication wiring.
Has disconnection
occurred?
→Check the wiring.
6-3
Internal data
error
− E43.  to
E45. 
−
−
E50.
 to
E69.

−
−
Encoder
disconnection
A trip will occur upon detection of
encoder disconnection or poor
connection.
E80.
 −
−
Excess speed A trip will occur if the motor rotation
speed exceeds the "maximum
frequency × Overspeed Error Detection
Level (P026)" or above.
E81.
 −
−
Positioning
error
A trip will occur if the current position
deviation against the position reference
value exceeds 1,000,000 pulses during
simple position control.
E82.
 −
−
Position control
range trip
A trip will occur if the current position
exceeds the Position Range Setting
(P072, P073) during simple position
control.
E83.  −
−
*1. It cannot be reset with STOP/RESET keys. Perform a reset by reconnecting the power or operating
the RS (reset) terminal.
Name Description
Error
code
Check point and remedy
Reference
page

Omron SYSDRIVE MX2 SERIES Specifications

General

Brand	Omron
Model	SYSDRIVE MX2 SERIES
Category	Inverter
Language	English