116
YASKAWA
TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
No.
(Hex.)
Name
Description
L1-02
(0481)
Motor Overload
Protection Time
Sets the operation time for the electronic thermal protector of the drive to
prevent damage to the motor. Usually it is not necessary to change this
setting.
L3-04
(0492)
Stall Prevention
during Decel
Sets the method that the drive will use to prevent overvoltage faults when
decelerating.
0 : No
1 : General Purpose
2 : Intelligent (Ignore Decel Ramp)
3 : General Purpose w/ DB resistor
4 : Overexcitation/High Flux
5 : Overexcitation/High Flux 2
7 : Overexcitation/High Flux 3
15
Troubleshooting
If the drive or motor do not operate correctly, look at the drive keypad for fault and alarm
information.
•
For drive faults:
–
The keypad shows the fault code.
–
ALM/ERR LED stays illuminated.
–
The drive shuts off output, and the output terminal set for
Fault [H2-01 to H2-03 =
E]
activates. The motor coasts to stop.
•
For drive alarms:
–
The keypad shows the alarm code.
–
The ALM/ERR LED flashes.
–
Usually, the drive will continue to operate the motor. Some alarms let you select a
motor stopping method.
◆
Fault Reset Procedure with the Keypad
1.
Remove the cause of the alarm or fault.
2.
While the keypad is showing the fault or alarm code, push
on the keypad.
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV