YASKAWA V1000 Series Installation & Start-Up Manual page 190

5.4 Fault Detection
LED Operator Display
Cause
Hardware is damaged.
LED Operator Display
Cause
Hardware is damaged.
LED Operator Display
Cause
Hardware is damaged.
LED Operator Display
Cause
Hardware is damaged.
LED Operator Display
Cause
Hardware is damaged.
LED Operator Display
or
Cause
Hardware is damaged.
LED Operator Display
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Control Circuit Fault
CPF14
CPU error (CPU operates incorrectly due to noise, etc.)
Replace the drive.
Clock Fault
CPF16
Standard clock error.
Replace the drive.
Timing Fault
CPF17
A timing error occurred during an internal process.
Replace the drive.
Control Circuit Fault
CPF18
CPU error (CPU operates incorrectly due to noise, etc.)
Replace the drive.
Control Circuit Fault
CPF19
CPU error (CPU operates incorrectly due to noise, etc.)
Replace the drive.
One of the following faults occurred: RAM fault, FLASH memory error,
watchdog circuit exception, clock error
CPF20
• RAM fault.
or CPF21
• FLASH memory error (ROM error).
• Watchdog circuit exception (self-diagnostic error).
• Clock error.
Replace the drive.
A/D Conversion Fault
CPF22
A/D conversion error.
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
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