Mitsubishi Electric MR-J4-TM Instruction Manual page 293

8. TROUBLESHOOTING
Alarm No.: F4 Name: Positioning warning
Alarm content
Detail
Detail name
No.
F4.6 Acceleration (1) The acceleration time
time constant
setting range
error warning
(2) The synchronous
F4.7 Deceleration (1) The deceleration time
time constant
setting range
error warning
(2) The synchronous
F4.8 Control (1) The unit was set to
command input
error warning
The operation setting was set out of range.
Cause
Check the value set
constant was set out of in [Pr. PT49]
range. Acceleration time
constant.
Check the setting
acceleration time value of the
constant was set out of synchronous
range when the acceleration time
superimposed constant.
synchronous control
function had been
used.
Check the value set
constant was set out of in [Pr. PT50]
range. Deceleration time
constant.
Check the setting
deceleration time value of the
constant was set out of synchronous
range when the deceleration time
superimposed constant.
synchronous control
function had been
used.
Check the status of
degree and the relative [Pr. PT01] and
position command was Controlword bit 6.
input.
Check method Check result
It is out of setting
range.
It is out of setting
range.
It is out of setting
range.
It is out of setting
range.
Controlword bit 6 is
on with [Pr. PT01] set
to "_ 2 _ _".
8 - 12
Action Target
Set the [TM]
acceleration time
constant correctly,
and cancel the
warning (turn on
C_ORST).
Set the
synchronous
acceleration time
constant correctly,
and cancel the
warning (turn on
C_ORST).
Set the
deceleration time
constant correctly,
and cancel the
warning (turn on
ORST).
Set the
synchronous
deceleration time
constant correctly,
and cancel the
warning (turn on
C_ORST).
Turn off
Controlword bit 6
and cancel the
warning (turn on
C_ORST).