YASKAWA V1000 Series Installation & Start-Up Manual page 191

Cause
Control circuit is damaged.
LED Operator Display
CPF23
Cause
Hardware is damaged.
LED Operator Display
CPF24
Cause
Hardware is damaged.
LED Operator Display
Cause
Load is too heavy.
Acceleration and deceleration times
are set too short.
The load is locked up.
Parameters are not set appropriately. Check the settings of parameters F1-10 and F1-11.
Motor brake engaged.
LED Operator Display
dWFL
dWAL
Cause
DriveWorksEZ program output a
fault.
LED Operator Display
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
• Cycle power to the drive.
page 226.
• If the problem continues, replace the drive.
PWM Feedback Fault
PWM feedback error.
Replace the drive.
Drive Capacity Signal Fault
Entered a capacity that does not exist.
(Checked when the drive is powered up.)
Replace the drive.
Speed Deviation (for Simple V/f with PG)
dEv
According to the pulse input (RP), the speed deviation is greater than the
setting in F1-10 for longer than the time set to F1-11.
Reduce the load.
Increase the acceleration and deceleration times (C1-01 through C1-08).
Check the machine.
Ensure the motor brake releases properly.
DriveWorksEZ Fault
DriveWorksEZ Program Error Output
• Correct whatever caused the fault to occur.
Option Card External Fault
EF0
An external fault condition is present.
5.4 Fault Detection
Possible Solution
Refer to Diagnosing and Resetting Faults on
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
5
191