Omron 3G3MX2 User Manual page 389

Condition
The motor rotation
speed does not
rise.
The frequency
cannot be set in
Output Frequency
Setting (F001)
using the Digital
Operator.
Specified
parameters are not
displayed.
The Digital
Operator keys do
not work.
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-A@@@@)
Possible cause
Contact failure of the Check the wiring.
• For the analog voltage or Variable
analog input for frequency
reference or Variable
Resistor.
• For the analog current input, disconnect
The overload limit or Disable the function or raise the operation
overcurrent suppression level.
function has actuated.
The setting of Maximum Change the setting.
Frequency (A004) or
Frequency Upper Limit
(A061/A261) is low.
Acceleration time is long. Shorten the acceleration time (F002/F202/
A092/A292).
"06: JG (jogging)" is Turn OFF the terminal to which the
allocated to a multi-function applicable function is allocated.
input terminal and the
terminal is turned ON.
One of multi-step speed Turn OFF the multi-step speed setting. (If
settings "02: CF1" to "05: the multi-step speed setting terminal is
CF4" is allocated to a turned ON, multi-step speed operation
multi-function input becomes effective. Accordingly, operation
terminal and the terminal is performed according to the frequency
is turned ON. set in Multi-step Speed Reference 1 to 15
(A021 to A035)).
The load is excessive. Reduce the load.
The motor is locked. Unlock the motor.
Frequency Reference Set Frequency Reference Selection
Selection (A001) is not set (A001) to "02: Digital Operator".
to "Digital Operator".
"51: F-TM (forced terminal Turn OFF the terminal to which the
block)" is allocated to a applicable function is allocated.
multi-function input
terminal and the terminal
is turned ON.
Display Selection (b037) Set Display Selection (b037) to "00:
is set to "01: Individual Complete display".
display of functions," "04:
Basic display," etc.
"86: DISP (Display fixed)" Turn OFF the terminal to which the
is allocated to a multi- applicable function is allocated.
function input terminal and
the terminal is turned ON.
"86: DISP (Display fixed)" Turn OFF the terminal to which the
is allocated to a multi- applicable function is allocated.
function input terminal and
the terminal is turned ON.
7-2 Troubleshooting
Remedial actions
Resistor input, measure the FV-SC
terminal voltage using a tester, etc. to
check if the correct voltage is output.
the wiring and measure the source-FI
terminal current using a tester, etc. to
check if the correct current is supplied.
Reference
Page
2-6
5-37
5-114
5-28
5-60
5-24
5-59
5-64
−
7
−
5-15
5-85
5-88
5-91
5-91
7-12