Omron R88M-W User Manual page 431

Troubleshooting
Display Error
Motor conduction er-
ror**
Parameter Unit
transmission error 1
Parameter Unit
transmission error 2
Note When the torque commands are less than 90% or when a torque limit of less than 90% is applied,
A.F6 will occur instead of A.F5.
Status when error
occurs
Occurs when servo
Servomotor power
is ON.
line is not con-
nected.
Servomotor power
line is wired incor-
rectly or the connec-
tion is defective.
Servomotor power
line is broken or de-
fective, preventing
current from flowing
correctly to the Ser-
vomotor.
Servomotor is de-
fective.
Servo Driver is de-
fective.
Occurs at startup. Servomotor power
(See note.) line is not con-
nected.
Servomotor power
line is wired incor-
rectly or the connec-
tion is defective.
Servomotor power
line is broken or de-
fective, preventing
current from flowing
correctly to the Ser-
vomotor.
Servomotor is de-
fective.
Servo Driver is de-
fective.
Occurs during op- Attempted to
eration. execute servo ON
(motor current con-
duction) while motor
is being controlled
by the dynamic
brake, such as when
the servo is OFF or
drive prohibit input is
being used.
Occurs when power Servo Driver is de-
supply is turned ON. fective.
Occurs when Pa- Internal element
rameter Unit is in U
misoperation
use.
Internal element is
broken
Cause of error Countermeasures
Correct the wiring.
Check the Servomotor
power line and correct
the wiring.
Check the conduction
and resistance value, and
replace the power line if it
is defective.
Replace the Servomotor.
Replace the Servo Driver.
Correct the wiring.
Check the Servomotor
power line and correct
the wiring.
Check the conduction
and resistance value, and
replace the power line if it
is defective.
Replace the Servomotor.
Replace the Servo Driver.
Check that the servo ON
sequence is correct.
Check that the RUN sig-
nal is correctly input.
When the drive prohibit
input is used, check that
the signal is correctly in-
put.
Replace the Servo Driver.
Reset the alarm, then re-
start the operation.
Replace the Servo Driver.
Chapter 5
5-17