YASKAWA V1000 Series Technical Manual

The drive attempted to write parameter values when the
drive input power was shut off (use communications option
card).
Reinitialize the drive (A1-03).
LED Operator Display Fault Name
CPF07
Terminal Board Communications Error
A communication error occurred at the terminal board.
Cause Possible Solution
There is a fault connection between the terminal board and
control board.
Turn the power off and reconnect the control circuit terminals.
LED Operator Display Fault Name
CPF08
EEPROM Serial Communication Fault
EEPROM communications are not functioning properly.
Cause Possible Solution
Terminal board or control board is not connected properly. Turn the power off and check the control terminal connections.
LED Operator Display Fault Name
CPF11 RAM Fault
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF12
FLASH Memory Fault
Problem with the ROM (FLASH memory).
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF13
Watchdog Circuit Exception
Self-diagnostics problem.
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF14
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF16
Clock Fault
Standard clock error.
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF17
Timing Fault
A timing error occurred during an internal process.
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF18
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF19
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
or
CPF20 or CPF21
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.
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF22
A/D Conversion Fault
A/D conversion error.
Cause Possible Solution
Control circuit is damaged.
• Cycle power to the drive. Refer to Diagnosing and Resetting Faults on page 247.
• If the problem continues, replace the drive.
LED Operator Display Fault Name
CPF23
PWM Feedback Fault
PWM feedback error.
Cause Possible Solution
Hardware is damaged. Replace the drive.
LED Operator Display Fault Name
CPF24
Drive Capacity Signal Fault
Entered a capacity that does not exist. (Checked when the drive is powered up.)
6.4 Fault Detection
230
YASKAWA ELECTRIC SIEP C710606 18A YASKAWA AC Drive – V1000 Technical Manual (Preliminary)

YASKAWA V1000 Series Specifications

General

Model	V1000 Series
Series	V1000
Output Frequency	0.1 to 400 Hz
Overload Capacity	150% for 60 seconds
Type	AC Drive
Control Method	V/f Control
Input Voltage	200-240V, 380-480V
Output Voltage	0 to Input Voltage
Power Range	0.1 to 18.5 kW
Horsepower	0.2 to 25 HP
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit, Ground Fault
Communication Interfaces	Modbus RTU
Enclosure	IP20
Ambient Temperature	-10 to +50°C
Storage Temperature	-20 to +60°C
Humidity	5 to 95% RH (non-condensing)
Cooling Method	Fan Cooled