9.1 Troubleshooting
9-11
9
A.810
Encoder
Backup Error
(Detected on the
encoder side)
(Only when an
absolute encoder
is connected.)
Occurred when the
control power sup-
ply was turned ON
(Setting:
Pn002.2=1)
A SERVOPACK board fault occurred. (when an
absolute encoder is used with the setting for
incremental encoder.)
Replace the SERVOPACK.
Occurred when the
control power sup-
ply was turned ON
(Settting:
Pn002.2=0), using
an absolute
encoder
Initial power ON to the absolute encoder Conduct the encoder setup operation.
The encoder cable had been removed once. Make sure of the connection and conduct the
encoder setup operation.
Both PG power supply (+5 V) and battery power
supply from the SERVOPACK are broken down.
Repair the power supply to the encoder
(replace battery, etc.), and conduct the encoder
setup operation.
An Absolute encoder fault occurred. If the alarm cannot be reset by re-setup opera-
tion, replace the encoder.
SERVOPACK fault Replace the SERVOPACK.
A.820
Encoder
Checksum
Error
(Detected on the
encoder side.)
Occurred when the
control power sup-
ply was turned ON
or during opera-
tion
An Encoder fault occurred. (encoder self-diagno-
sis)
Setup the encoder. If this alarm occurs fre-
quently, replace the servomotor.
A SERVOPACK fault occurred. Replace the SERVOPACK.
Occurred when
SEN signal was
turned ON.
An Encoder fault occurred. (encoder self-diagno-
sis)
Setup the encoder. If this alarm occurs fre-
quently, replace the servomotor.
A.830
Absolute
Encoder Bat-
tery Error
Detected when
the battery volt-
age is lower than
the specified
value 2 to 4
seconds after the
control power
supply turns
ON.)
(Only when an
absolute encoder
is connected)
When the control
power supply was
turned ON
(Setting:
Pn002.2=1)
A SERVOPACK board fault occurred. (when the
absolute encoder is used as an incremental)
Replace the SERVOPACK.
When the control
power supply was
turned ON
(Setting:
Pn002.2=0), using
an absolute
encoder.
The battery connection is incorrect. Connect correctly the battery.
The battery voltage is lower than the specified
value 2.7 V.
Replace the battery, and then turn ON the
power to the encoder.
A SERVOPACK board fault occurred. Replace the SERVOPACK.
A.840
Encoder Data
Error
(Detected on the
encoder side)
Occurred when the
control power sup-
ply was turned
ON.
A malfunction occurred in the encoder. Turn OFF the encoder power supply and on
again. If this alarm occurs frequently, replace
the servomotor.
A SERVOPACK board fault occurred. Replace the SERVOPACK.
Occurred during
operation.
A malfunction occurred in the encoder. Correct the wirings around the encoder (sepa-
rate the encoder cable from the power line,
grounding, etc.)
An Encoder fault occurred. Turn OFF the encoder power supply and ON
again. If this alarm occurs frequently, replace
the servomotor.
A SERVOPACK board fault occurred. Replace the SERVOPACK.
A.850
Encoder Over-
speed
(Detected when
the encoder
power supply
turns ON.)
(Detected on the
encoder side.)
Occurred when the
control power sup-
ply was turned
ON.
When the encoder power supply turns ON, the
servomotor runs at 200 min
-1
or more.
Turn ON the encoder power supply when the
servomotor runs at the speed less than 200
min
-1
.
An Encoder fault
occurred. Replace the servomotor.
A SERVOPACK board fault
occurred. Replace the SERVOPACK.
Occurred during
operation.
An Encoder fault
occurred. Replace the servomotor.
A SERVOPACK board fault
occurred. Replace the SERVOPACK.
Table 9.3 Alarm Display and Troubleshooting (Cont’d)
Alarm
Display
Alarm Name
Situation at Alarm
Occurrence
Cause Corrective Actions
SIEPS80000025.book 11 ページ ２００４年１０月２５日 月曜日 午前１１時５７分
To Next Page
Loading...
