Omron SYSDRIVE MX2 SERIES User Manual

7-12
7-2 Troubleshooting
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
7
Maintenance Operations
Parameters cannot
be changed.
The Inverter is running. Stop the Inverter and wait for the motor to
decelerate to a stop, and then set again. When
the mode is set to "Data can be changed
during RUN" (b031 = 10), some parameters
can be changed even during operation.
−
Soft lock is effective. Disable Soft Lock Selection (b031). 5-84
Motor turns in
reverse.
The phase order of motor
wiring is incorrect. (The
specification of motor
phase order is such that U/
T1, V/T2, W/T3 does not
indicate forward rotation).
Reverse two of U/T1, V/T2 and W/T3 or
adjust the motor phases to the correct
order.
2-6
The forward/reverse logic
is incorrect when the 3-wire
input function is used.
Check the "22: F/R (3-wire forward/
reverse)" logic of the applicable multi-
function input terminal.
5-29
5-56
The motor turns in
reverse when
operation is started
with the RUN key.
RUN Direction Selection
(F004) is incorrect.
Change the setting of RUN Direction
Selection (F004).
5-23
An Overcurrent
Trip (E03) occurs
during operation.
The acceleration time is
too short.
Extend the Acceleration Time (F002/F202/
A092/A292).
5-24
5-66
Change the operation pattern to one in
which acceleration is temporarily stopped
using the acceleration hold function.
5-62
The load is excessive. Reduce the load. −
Perform tuning using the torque boost
function.
5-49
Set Control Method (A044/A244) to "02:
Free V/f setting" and perform tuning.
5-46
Overload Limit Selection
(b021/b024) is set to "00:
Disabled".
Enable Overload Limit Selection (b021/
b024). 5-114
[An overcurrent trip occurs during operation, even when the overload limit is
enabled]
Overload Limit Level
(b022/b025) is high.
Lower the Overload Limit Level (b022/
b025).
5-114
Overload Limit Parameter
(b023/b026) is short.
Extend the Overload Limit Parameter
(b023/b026).
5-114
The STOP/RESET
key does not work.
The STOP/RESET key is
disabled by setting.
Set STOP Key Selection (b087) correctly.
5-84
Overvoltage Suppression
Function During Deceleration
(b130) is enabled.
Set Overvoltage Suppression Function
During Deceleration (b130) to "00:
Disabled" or adjust the operation level of
each function.
5-117
Controlled Deceleration
on Power Loss (b050) is
enabled.
Set Controlled Deceleration on Power
Loss (b050) to "00: Disabled" or adjust the
operating level of each function.
5-106
Condition Possible cause Remedial actions
R eference
Page

Omron SYSDRIVE MX2 SERIES Specifications

General

Brand	Omron
Model	SYSDRIVE MX2 SERIES
Category	Inverter
Language	English