Omron MX2 User Manual

235
Troubleshooting Section 6-1
3. Motor does not accelerate to command speed.
4. Inverter does not respond to changes in frequency setting from operator.
5. A part of function codes is not displayed.
6. Operator (keypad) does not respond.
"18:RS", "14:CS" or "11:FRS" is
set to input terminal and the input
is active.
Deactivate the input.
"84:ROK" is set to input terminal
and the input is active.
Activate the input.
Cable between inverter and
motor or internal cable of motor is
breaking.
Check the wiring.
Excess load. Remove excess load.
Motor is locked. Unlock the motor.
Possible Cause(s) Corrective Action
Bad connection of analog wiring. Check the wiring.
In case of analog voltage or variable resistor
input, check voltage between [O] and [L] termi-
nal.
In case of analog current, check current between
current source and [OI] terminal.
Overload restriction or OC
suppression function works.
Check the function level.
Max. frequency (A004) or upper
limit (A061/A261) is lower than as
expected.
Check the value.
Acceleration time is excessive. Change acceleration time (F002/A092/A292).
"Multi-speed input(s)
(02 to 05:CF1 to CF4)" is (are) set
to input terminal(s) and active.
Deactivate the input(s).
"06:JG" is set to input terminal
and the input is active.
Deactivate the input.
Excess load. Remove excess load.
Motor is locked. Unlock the motor.
Possible Cause(s) Corrective Action
Incorrect frequency source is
selected.
Check frequency source (A001=02).
"51:F-TM" is set to input terminal
and the input is active.
Deactivate the input.
Possible Cause(s) Corrective Action
"Function code display
restriction" (b037) is enabled.
Set 00 (all display) to b037.
"86:DISP" is set to input terminal
and the input is active.
Deactivate the input.
Possible Cause(s) Corrective Action
"86:DISP" is set to input terminal
and the input is active.
Deactivate the input.
Possible Cause(s) Corrective Action

Omron MX2 Specifications

General

Brand	Omron
Model	MX2
Category	Inverter
Language	English