LiteOn EVO 8000 Series - Page 137

134
Keypad
Display
Fault Name
Cause
Possible Solution
any other way or has exceed its
expected performance life, follow
the instruction for replacement
1. Cycle power to the drive
» If the problem continues, replace
either the entire drive or the
power board. For more
information, please contact the
local distributor
JoGEr
FJOG/ RJOG Input
Error
A FJOG and RJOG Run
commands are received at the
same time
Check the Run command from the
external source for Fjog/Rjog
dv3
Inversion detection
The torque command is
opposite to the acceleration
direction. When the motor
speed difference exceeds 30%,
the state is continuously
detected to the number of
times the parameter F1-16 is
set. When F1-16 is set to 0, it
is closed.
Motor load is too large
2. PG line interference
3. PG rotation direction (F1-01
setting) is opposite to motor
rotation (motor wiring)
4. PG card is damaged
1. Confirm motor running status
2. Check if there is a disconnection
or do a noise cancellation
3. Confirm F1-01 setting or motor
wiring
4. Confirm that the PG card is
normal.
dv4
Inversion prevention
detection
The motor steering is opposite
to the speed command, and
the number of PG feedback
pulses reaches the number set
by F1-17. If F1-17 is set to 0, it
is off.
1. PG line interference
2. PG card is damaged
1. Check if there is a wire break or
do a noise cancellation
2. Confirm that the PG card is
normal.
PGCON
PG card
communication failure
1. Difference between control
board and PG card new and
old version
2. The communication signal is
abnormal.
3. The control mode setting is
1. Confirm that the firmware
version is compatible
2. Confirm that the equipment
environment is likely to cause
interference
3. Power on again