117
Display
Cause
Where to check and how to take
actions
Reference
The cooling fan of the converter
fails or malfunctions.
Replace the cooling fan of the
converter.
Ambient temperature is high, or
cooling space of the converter
is not enough.
Check the installation
environment, and check that
cooling space is enough.
3.1.2 How to
Install Converter
The installation direction of
the converter is not correct.
Install it in the correct
direction.
3.1.2 How to
Install Converter
Display
Cause
Where to check and how to take
actions
Reference
Data was written incorrectly to
the EEPROM (built-in memory) due
to too much noise.
Take measures against noise for a
wiring from the control board
<VFC66R-Z>.
3.5.1 Notes for
Wiring
The uninitialized control board
<VFC66R-Z> was implemented.
Initialize the control board
<VFC66R-Z>.
8.3 How to
Initialize
Converter Main Unit
Faulty EEPROM (built-in memory)
parts.
Replace the control board
<VFC66R-Z>.
8.2 How to Replace
Control Board
Display
Cause
Where to check and how to take
actions
Reference
The option usage selection: J-00
is set to "ON" without the option
connected.
Set the option usage selection:
J-00 to "OFF."
5.3.9 Area J
An option malfunctions.
Replace the option.
Optional Operating
Instructions
An option is not connected
properly.
Check the connection with the
option and the connector insertion
status.
Optional Operating
Instructions
Display
Cause
Where to check and how to take
actions
Reference
Communication setting error
Check the communication settings
of the master and converter.
The communication master
malfunctions.
Check behaviors of the
communication master.
The cable between the optional
printed board and communication
master is disconnected, or the
connector is not inserted
properly.
Check the connector insertion
status or replace the connection
cable.
Display
Cause
Where to check and how to take
actions
Reference
The output electrical wire was
grounded or short circuited.
Check the wiring of the output
electrical wire.
3.3 How to Connect
Converter
Load capacity is abnormally
large.
・
Reduce load.
・
Check and review the converter
model.
Operation level setting is
inappropriate.
Review the operation level setting
value.