EXPERT Standard Series User Manual
93
Phenomena
Occurrence
Conditions
Possible Reasons
Countermeasures
Part of
function codes
cannot be
modified.
Function code F0.00 is set to 1
or 2.
Set F0.00 to 0.
This function code is actual
detection value.
Users cannot change
actual parameters.
Press M-F
there’s no
reaction.
Operation panel locking
function validates or others.
See solutions to “No
response on
operation panel”.
Press M-F
system cannot
enter, function
code display
0.0.0.0.
There’s a user password
Correctly input user
password
Seek for services
Unexpected
Drive
Shutdown
during
Running
There’s no
shutdown
command, the
drive shuts
down
automatically,
and running
indicator turns
off.
There’s a fault alarm.
Find fault reasons,
and reset fault.
A simple PLC single cycle is
completed.
Check
PLC
parameter settings.
Fixed
length
shutdown
function validates.
Clear actual length or
set
FC.14
(Set
length) to 0.
Upper computer or remote
control box disconnects from
the drive communication.
Check
communication line
and Fb.04, Fb.03 and
FA.15 settings.
Power supply is interrupted.
Check power supply
situation.
Running command channel
shifting.
Check operation and
settings related to
running command
channel.
Control terminal
positive/negative logic
change.
Check whether F6.23
settings comply with
requirements.
No shutdown
command is
given, motor
shuts down
automatically,
Fault automatic reset
Check fault automatic
reset settings and
fault reasons.
Simple PLC pause
Check PLC pause
function terminal.