Chapter
Troubleshooting procedure and action
- 70 -
9-3
Poor positioning accuracy
N
Is the
encoder
signal
normal?
Securely shield and
ground the encoder
cable.
Y
Previous page
N
Is there a
noise included
in the encoder
signal?
Y
Replace the
actuator.
Y
Does rattle or
resonance occur
in the mechanical
system?
N
Improve the
mechanical system.
Replace the actuator
or driver.
Is the higher
level system
program
normal?
Amend the program.
N
Is the
command
pulse
normal?
Correct the pulse
count.
Check the noise.
Y
N
Y
Start
To next page
Is the
command
pulse timing
normal?
Reconsider the
command pulse
circuit.
Y
N
Is the
electronic
gear valid?
Correct the
electronic gear
value.
N
