CPF03
Control Board Connection Error
Connection error between the control board and the drive
CPF06
EEPROM Memory Data Error
Error in the data saved to EEPROM
Cause
Possible Solution
There is an error in EEPROM control circuit
• Turn off the power and check the connection between the control board and the drive.
• If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the control board.
The power supply was switched off while
parameters were being saved to the drive
Reinitialize the drive (A1-03 = 2220, 3330).
Digital Operator Display
Fault Name
CPF07
Terminal Board Connection Error
CPF08
or
CPF20 or CPF21
Control Circuit Error
CPF22
Hybrid IC Failure
CPF23
Control Board Connection Error
Connection error between the control board and the drive
CPF24
Drive Unit Signal Fault
The drive capacity cannot be detected correctly (drive capacity is checked when the drive is powered up).
CPF25
Terminal Board Not Connected
to
to
CPF26 to CPF35
CPF40 to CPF43
Control Circuit Error
CPU error
Cause
Possible Solution
Hardware is damaged
If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the control board.
E5
MECHATROLINK Watchdog Timer Error
The watchdog timed out.
EF0
Option Card External Fault
An external fault condition is present.
Cause
Possible Solution
An external fault was received from the PLC
and F6-03 is set to a value other than 3.
• Remove the cause of the external fault.
• Remove the external fault input from the PLC.
Problem with the PLC program
Check the PLC program and correct problems.
Digital Operator Display
Fault Name
EF1
External Fault (input terminal S1)
External fault at multi-function input terminal S1.
EF2
External Fault (input terminal S2)
External fault at multi-function input terminal S2.
EF3
External Fault (input terminal S3)
External fault at multi-function input terminal S3.
EF4
External Fault (input terminal S4)
External fault at multi-function input terminal S4.
EF5
External Fault (input terminal S5)
External fault at multi-function input terminal S5.
EF6
External Fault (input terminal S6)
External fault at multi-function input terminal S6.
5.2 Fault Detection
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YASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide
Summary of Contents for P1000
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