User`s manual

6
Troubleshooting
6-7
5. Troubleshooting
Trouble Probable cause 1 Probable cause 2 Action
Robot did not move
even when the
command pulses
were input.
Hardware connection was incorrect.
Wiring was incorrect. Correct the wiring.
Software setting was incorrect
E-Gear setting was different from the
assumed level.
Check the settings of the
parameters K84 and K85.
Phase A/Phase B input was
incorrectly set for the CW/CCW input
specifications.
Set "1" for the parameter K83.
Phase A/Phase B input was
incorrectly set for the Pulse/Sign
input specifications.
Set "2" for the parameter K83.
CW/CCW input was incorrectly set for
the Phase A/Phase B input
specifications.
Set "3" for the parameter K83.
Parameter K83 was set invalid.
Set the parameter K83
correctly.
Command pulses with a frequency
exceeding the operable range were
input.
Input the frequency within the
specification range.
Driver failed. Replace the driver.
Movement distance
was short when
compared to the
input command
pulses.
Hardware connection was incorrect.
Wiring was incorrect. Correct the wiring.
Software setting was incorrect
E-Gear setting was different from the
assumed level.
Check the settings of the
parameters K84 and K85.
Pulse/Sign input was incorrectly set
for the Phase A/Phase B input
specifications.
Set "3" for the parameter K83.
LD input was incorrectly set for the
OC input specifications.
OC input was incorrectly set for the
LD input specifications.
Command pulses with a frequency
exceeding the operable range were
input.
Input the frequency within the
specification range.
Driver failed. Replace the driver.
Movement distance
was long when
compared to the
input command
pulses. (Or, the
robot moved
spontaneously.)
Hardware connection was incorrect.
Wiring was incorrect. Correct the wiring.
Software setting was incorrect
LD input was incorrectly set for the
OC input specifications.
Change the setting of the
parameter K87 to the OC input.
E-Gear setting was different from the
assumed level.
Check the settings of the
parameters K84 and K85.
Driver failed. Replace the driver.
Robot moved in a
direction opposite
to the input
command pulse.
Hardware connection was incorrect.
Wiring was incorrect. Correct the wiring.
Software setting was incorrect
Pulse/Sign input was incorrectly set
for the CW/CCW input specifications.
Set "1" for the parameter K83.
CW/CCW input was incorrectly set for
the Pulse/Sign input specifications.
Set "2" for the parameter K83.
Pulse/Sign input was incorrectly set
for the Phase A/Phase B input
specifications.
Set "3" for the parameter K83.
Driver failed. Replace the driver.
Robot moved only
in one direction.
Hardware connection was incorrect.
Wiring was incorrect. Correct the wiring.
Software setting was incorrect
Pulse/Sign input was incorrectly set
for the CW/CCW input specifications.
Set "1" for the parameter K83.
CW/CCW input was incorrectly set for
the Pulse/Sign input specifications.
Set "2" for the parameter K83.
Driver failed. Replace the driver.