Cause
Checkup
Remedy
Trouble with
Check waveform of signal
Replace the
encoder. or encoder fed back from encoder,
ve encoder or cable.
cable
using a synchroscope
Card SF-ORJ
Card SF-DAJ
CH3
Card SF-TLJ
Error in parameter Although the control
Set parameter
setting
has no encoder type
oriented spindle stop
function,
parameter
OSL
is set to
Card trouble
After making sure this
Replace the card
alarm is reproducible,
SF-ORJ, DAJ and/or
place the cards SF-ORJ,
TLJ.
DAJ and TLJ to check.
ERROR EXCESS SPEED
This alarm occurs if deviation of true motor speed from
the specified speed is larger than
lasting for
12' sec.
or longer.
Cause
Remedv
Motor wiring
Motor cable connection
Connect the motor
proper (phase
(U, V and
is not
cable in correct
sequence failure
phase sequence.
Error in parameter
constant" parameter
Change parameter
setting
MSL
setting does not setting.
meet the motor used.
excessively
It takes more than 6 sec.
Increase setting of
large
for acceleration to the
parameter
maximum motor speed from
zero speed.
