152
YASKAWA
TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
Code
Name
Causes
Possible Solutions
The drive input power voltage is
changing too much.
•
Examine the supply voltage for
problems.
•
Make the drive input power stable.
Unsatisfactory balance between
voltage phases.
•
Examine the supply voltage for
problems.
•
Make the drive input power stable.
•
If the supply voltage is good, examine
the magnetic contactor on the main
circuit side for problems.
The main circuit capacitors have
become unserviceable.
•
Examine the capacitor maintenance
time in monitor
U4-05
[CapacitorMaintenance]
.
•
If
U4-05
is more than 90%, replace
the capacitor. Contact Yaskawa or
your nearest sales representative for
more information.
•
Examine the supply voltage for
problems.
•
Re-energize the drive.
•
If the alarm stays, replace the circuit
board or the drive. For information
about replacing the control board,
contact Yaskawa or your nearest sales
representative.
rUn
Motor Switch during
Run
The drive received a
Motor 2
Selection [H1-xx = 16]
during
run.
Make sure that the drive receives the
Motor 2 Selection while the drive is
stopped.
SE
Modbus Test Mode
Error
MEMOBUS/Modbus
communications self-
diagnostics
[H1-xx = 67]
was
done while the drive was
running.
Stop the drive and do MEMOBUS/
Modbus communications self-
diagnostics.
SToF
Safe Torque OFF
Hardware
One of the two terminals H1-
HC and H2-HC received the
Safe Disable input signal.
The Safe Disable input signal is
wired incorrectly.
•
Make sure that the Safe Disable signal
is input from an external source to
terminals H1-HC or H2-HC.
•
When the Safe Disable function is not
in use, use a jumper to connect
terminals H1-HC and H2-HC.
There is internal damage to one
Safe Disable channel.
Replace the board or the drive. For
information about replacing the control
board, contact Yaskawa or your nearest
sales representative.
TiM
Keypad Time Not Set
There is a battery in the keypad,
but the date and time are not set.
Set the date and time with the keypad.