YASKAWA SGDS Sigma III Series User Manual page 311

10 Inspection, Maintenance, and Troubleshooting
10.1.4 Troubleshooting of Alarm and Warning
Warning Warning Name
Display
A.920 Regenerative
Overload:
Warning for the
alarm A320
A.930 Absolute Encoder
Battery Warning
A.941
Change of
Parameters
Requires the
Setting Validation
A.94A
Data Setting
Warning 1
A.94B Data Setting
Warning 2
A.94C
Data Setting
Warning 3
(Calculation Error)
A.94D
Data Setting
Warning 4
A.95A Command
Warning 1
A.95B
Command
Warning 2
A.95C Command
Warning 3
A.95D
Command
Warning 4
A.95E Command
Warning 5
10-20
Table 10.4 Warning Display and Troubleshooting (Cont'd)
Situation at Warning
Occurrence
Occurred when the A SERVOPACK fault occurred.
control power supply
was turned ON.
Occurred during Regenerative energy is excessive.
normal operation
Regenerative status continues.
(Large increase of
regenerative resistor
temperature.)
Occurred during The setting of parameter Pn600 is smaller than
normal operation the external regenerative resistor capacity.
(Small increase of
A SERVOPACK fault occurred.
regenerative resistor
temperature).
Occurred at servomotor Regenerative energy is excessive.
deceleration.
Occurred when the A SERVOPACK board fault occurred. (The
control power supply absolute encoder is used in the incremental
was turned ON encoder setting.)
(Setting: Pn002.2=1)
Occurred 4 seconds or The battery connection is incorrect or faulty.
more after the control
The battery voltage is lower than the specified
power supply was
value 2.7 V.
turned ON
A SERVOPACK board fault occurred.
(Setting: Pn002.2=0)
When an absolute
encoder was used
Occurred after having To validate new setting of this parameter, turn
changed parameter OFF the power and ON again.
setting.
Occurred when Disabled parameter number was used.
PRM_RD, PRM_WR,
or PPRM_WR
command was sent.
Occurred when Attempted to send values outside the range to the
MECHATROLINK II command data.
command was sent.
Occurred when Calculation result of set value is incorrect.
PRM_WR or
PPRM_WR command
was sent.
Occurred when Parameter size set in command is incorrect.
PRM_RD, PRM_WR,
or PPRM_WR
command was sent.
Occurred during Command sending condition is not satisfied.
MECHATROLINK II
communications.
Occurred during SERVOPACK received unsupported command.
MECHATROLINK II
communications.
Occurred during MECHATROLINK II command cannot be
MECHATROLINK II executed due to parameter setting condition.
communications.
Occurred during Command sending condition for latch-related
MECHATROLINK II commands is not satisfied.
communications.
Occurred during Subcommand sending condition is not satisfied.
MECHATROLINK II
communications.
Cause
Replace the SERVOPACK.
Check the regenerative resistor capacity,
or reconsider the load and operation
conditions.
Correct the setting of parameter Pn600.
Replace the SERVOPACK.
Check the regenerative resistor capacity,
or reconsider the load and operation
conditions.
Replace the SERVOPACK.
Connect correctly the battery.
Replace the battery, and turn OFF the
encoder power supply and ON again.
Replace the SERVOPACK.
Turn OFF the power and ON again.
Use the correct parameter number.
Set the values within the range.
Set the parameter within the range.
Use the correct parameter size.
Send a command after command sending
condition is satisfied.
Do not sent an unsupported command.
Set the parameter to execute the
command.
Send a command after command sending
condition related to latch command is
satisfied.
Send a subcommand after command
sending condition is satisfied.
Corrective Actions