6.5.14 Troubleshooting In Fl Remote Communication; Check First When You Have A Trouble - Mitsubishi Electric 700 Series Instruction Manual

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.
Display
Operation
Operation status LED
panel of
(Refer to page 49)
inverter
DEV
RMT
E.1
DEV
RMT
DEV
E.OPT
RMT
DEV
RMT
E.OP1
DEV
RMT
DEV
RMT
0.00
DEV
RMT
:OFF, : red is lit, : green is lit,
Possible Causes
The firmware has an internal
fault.
Check if a protocol other than FL
remote protocol is selected. Also
Incorrect setting to the
check if the number of words in the
master
transmission/receive area is set to
The FL remote
communication circuit in the
inverter is faulty.
Node address is out of range Check that the node address
(other than 1 to 64). setting is within the range (1 to 64).
Check that the node address
Node address is not
switch is not set between
correctly set.
numbers.
The FL remote
communication circuit in the
inverter is faulty.
The inverter is not
participated in FL remote
network and communication
between the inverter and
switching hub is Check that no break in the cable
disconnected. between the inverter and switching
After the inverter participated hub.
in FL remote network,
communication between the
inverter and switching hub is
disconnected.
FL remote network Check that node address setting of
communication is not the inverter and slave station
established. setting of the master are the same.
A protocol other than FL remote is
Unsupported protocol
selected.
:red is flickering

Check first when you have a trouble

Check Point
—
"0."
—
—
Countermeasure
Please contact your sales
representative.
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.)
Please contact your sales
representative.
Set the node address within
the range (1 to 64)
(Refer to page 46)
Set the node address switch to
the number position correctly.
(Refer to page 46)
Please contact your sales
representative.
Make sure to connect the
cable between the inverter and
switching hub.
Set the node address of the
inverter and slave station of
the master to the same setting.
Use the master that has the FL
remote setting.
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