Omron SYSDRIVE 3G3MV User Manual page 269

Maintenance Operations
Fault Fault name and Meaning
display
Emergency stop (STP)
The Digital Operator stops
(flashing)
operating.
The STOP/RESET Key on the
Digital Operator is pressed
while the Inverter is operating
according to the forward or
reverse command through the
control circuit terminals.
Note The Inverter stops
The emergency stop alarm
signal is input as multi-function
input.
A multi-function input 1 to 7 set
to 20 or 22 has been used.
Note The Inverter stops
Cooling fan fault (FAN)
FAn
(flashing)
The cooling fan has been
locked.
8-16
according to the method
set in n04.
according to the method
set in n005.
The Inverter decelerates
to a stop in deceleration
time 2 with n005 set to 0.
Probable cause and remedy
· The parameter setting was incorrect.
® Check that the n007 parameter
setting for STOP/RESET Key function
selection is correct.
· An emergency stop alarm is input to a
multi-function input.
® Remove the cause of the fault or
correct the input sequence.
· The cooling fan wiring has a fault.
® Turn OFF the Inverter, dismount the
fan, and check and repair the wiring.
· The cooling fan in not in good condition.
® Check and remove the foreign
material or dust on the fan.
· The cooling fan is beyond repair.
® Replace the fan.
Chapter 8