YASKAWA GPD 505/P5 - CPF05 External A;D Err; CPF04 Internal A;D Err

PP.P5G5.03.Troubleshoot
Page 22
Rev. 06/11/2003
CPF04
Internal A/D Err
CPU internal A/D converter fault. 506 digital
operator will display CPF05.
cpf5
CPF05
External A/D Err
CPU external A/D converter fault.
Possible Cause(s): Noise or spike on the control board input terminals.
Corrective Action: Perform a factory initialization , cycle power, replace the control board.
Possible Cause(s): Noise or spike on the control board input terminals.
Corrective Action: Perform a factory initialization , cycle power, replace the control board.
505
Fault Codes
Major Fault - Motor coasts to a stop, the fault is displayed on the digital
operator, and the fault relay is activated.
506 √ 515 √
505
506 515 √
N/A