YASKAWA
TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
141
Code
Name
Causes
Possible Solutions
There was a problem with the
drive hardware.
•
Re-energize the drive.
•
If the fault stays, replace the control
board or the drive. For information
about replacing the control board,
contact Yaskawa or your nearest sales
representative.
Uv3
Soft Charge
Answerback Fault
The relay or contactor on the
soft-charge bypass relay is
damaged.
•
Re-energize the drive.
•
If the fault stays, replace the control
board or the drive.
•
Check monitor
U4-06
[PreChargeRelayMainte]
shows the
performance life of the soft-charge
bypass relay. If
U4-06
is more than
90%, replace the board or the drive.
For information about replacing the
control board, contact Yaskawa or
your nearest sales representative.
◆
Minor Faults/Alarms
This section gives information about the causes and possible solutions when a minor fault
or alarm occurs. Use the information in this table to remove the cause of the minor fault or
alarm.
Code
Name
Causes
Possible Solutions
AEr
Station Address
Setting Error
The node address for the
communication option is not in
the permitted setting range.
•
For CC-Link communication, set
F6-
10 [CC-Link Node Address]
correctly.
•
For MECHATROLINK
communication, set
F6-20
[MECHATROLINK Station Address]
correctly.
•
For CANopen communication, set
F6-35 [CANopen Node ID Selection]
correctly.
bAT
Keypad Battery Low
Voltage
The keypad battery voltage is
low.
Replace the keypad battery.
bb
Baseblock
An external baseblock
command was entered through
MFDI terminal S1 to S7, and
the drive output stopped as
shown by an external baseblock
command.
Examine the external sequence and
timing of the baseblock command input.