YASKAWA V1000 Quick Start Manual page 85

CPF14
CPF16
CPF17
CPF18
CPF19
or CPF20
or CPF21
CPF22
CPF23
CPF24
Cause
Hardware is damaged.
dWFL
dWAL
EF0
Cause
An external fault was received from
the PLC with F6-03 = 3 "alarm
only" (the drive continued to run
after external fault).
Problem with the PLC program.
YASKAWA ELECTRIC TOEP C710606 14A YASKAWA AC Drive - V1000 Quick Start Guide
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
Clock Fault
Standard clock error.
Timing Fault
A timing error occurred during an internal process.
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
One of the following faults occurred: RAM fault, FLASH memory error,
watchdog circuit exception, clock error
• RAM fault.
• FLASH memory error (ROM error).
• Watchdog circuit exception (self-diagnostic error).
• Clock error.
A/D Conversion Fault
A/D conversion error.
PWM Feedback Fault
PWM feedback error.
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.
DriveWorksEZ Fault
DriveWorksEZ Program Error Output
Option Card External Fault
An external fault condition is present.
• Remove the cause of the external fault.
• Remove the external fault input from the PLC.
Check the PLC program and correct problems.
5.2 Fault Detection
Possible Solution
Possible Solution
5
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