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6
TROUBLESHOOTING
6.5.14 Troubleshooting in FL remote communication
If a fault occurs and the inverter fails to operate properly, locate the cause of the fault and take proper corrective action by
referring to the troubleshooting below. If the corresponding information is not found in the table, the inverter has problem, or
the component parts are damaged, contact your sales representative.
:OFF, : red is lit, : green is lit, :red is flickering
Display
Possible Causes Check Point Countermeasure
Operation
panel of
inverter
Operation status LED
(Refer to page 49)
E.1
DEV
RMT
The firmware has an internal
fault.
—
Please contact your sales
representative.
Incorrect setting to the
master
Check if a protocol other than FL
remote protocol is selected. Also
check if the number of words in the
transmission/receive area is set to
"0."
Select the FL remote protocol.
Set an appropriate number of
words for the transmission/
receive area. (Refer to page 54
for the setting of the
transmission/receive area.)
DEV
RMT
The FL remote
communication circuit in the
inverter is faulty.
—
Please contact your sales
representative.
E.OPT
DEV
RMT
Node address is out of range
(other than 1 to 64).
Check that the node address
setting is within the range (1 to 64).
Set the node address within
the range (1 to 64)
(Refer to page 46)
Node address is not
correctly set.
Check that the node address
switch is not set between
numbers.
Set the node address switch to
the number position correctly.
(Refer to page 46)
The FL remote
communication circuit in the
inverter is faulty.
—
Please contact your sales
representative.
E.OP1
DEV
RMT
The inverter is not
participated in FL remote
network and communication
between the inverter and
switching hub is
disconnected.
Check that no break in the cable
between the inverter and switching
hub.
Make sure to connect the
cable between the inverter and
switching hub.
DEV
RMT
After the inverter participated
in FL remote network,
communication between the
inverter and switching hub is
disconnected.
0.00
DEV
RMT
FL remote network
communication is not
established.
Check that node address setting of
the inverter and slave station
setting of the master are the same.
Set the node address of the
inverter and slave station of
the master to the same setting.
DEV
RMT
Unsupported protocol
A protocol other than FL remote is
selected.
Use the master that has the FL
remote setting.