Omron SYSDRIVE MX2 SERIES User Manual page 377

Condition
The motor does not
turn after a RUN
command is
issued.
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
Possible cause
Rotation Direction Limit Selection Set the correct Rotation Direction Limit
(b035) is set and forward or Selection (b035).
reverse rotation is prohibited.
The input terminal wiring Implement wiring correctly. (The ON/OFF
for RUN command or status of the input terminal can be checked
shorting-bar connection with Multi-function Input Monitor (d005)).
position is incorrect.
The analog input for Implement wiring correctly.
• For the analog voltage or Variable
frequency reference or
Variable Resistor wiring is
incorrect.
• For the analog current input, disconnect
"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, even though a Digital
Operator mode is selected.
"31: OPE (Forced Turn OFF the terminal to which the
operator)" is allocated to a applicable function is allocated.
multi-function input terminal
and the terminal is turned
ON, even though the
control circuit terminal block
mode is selected.
The Inverter has tripped. Press the STOP/RESET key to reset the
(The ALARM LED trip, identify and remove the cause of the
indicator is lit and "Exxx" trip based on the error code, and then
is shown). restart the operation.
The safety function If the safety function is used, turn both the
selector switch is turned safety inputs GS1 and GS2 ON. If the
ON and the multi-function safety function is not used, turn OFF the
input terminal S3/GS1 or selector switch.
S4/GS2 is turned OFF.
"18: RS (Reset)", "14: CS Turn OFF the terminal to which the
(Commercial switch)", or applicable function is allocated.
"11: FRS (free-run stop)" is
allocated to a multi-
function input terminal and
the terminal is turned ON.
"84: ROK (Permission of Turn ON the terminal to which the
RUN command)" is applicable function is allocated.
allocated to a multi-
function input terminal and
the terminal is turned OFF.
The wiring from the Check the wiring.
Inverter to the motor or
wiring inside the motor is
disconnected.
The load is excessive. Reduce the load.
The motor is locked. Unlock the motor.
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
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2-19
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2-6
5-37
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5-85
3-12
5-119
7
7-1 to
7-5
5-167
5-79
5-100
5-103
5-63
2-6
to
2-14
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7-10