Yaskawa GPD 506/P5 Section Three - Manual (Page 24)

PP.P5G5.03.Troubleshoot
Page 24
Rev. 06/11/2003
CPF21
Option CPU down
The CPU on the SI-B option board has locked up.
N/A
CPF22
Option Type Err
DPRAM fault detected at power up. N/A
Possible Cause(s): Noise or spike on the communication line, defective SI-B option board.
Corrective Action: Perform a factory initialization , cycle power, replace the option board,
replace the control board.
Possible Cause(s): Unrecognizable communication or network option board is connected to
the control board.
Corrective Action: Remove any option boards and cycle power, perform a factory initialization,
replace the option board, replace the control board.
Fault Codes
Major Fault
- Motor coasts to a stop, the fault is displayed on the digital
operator, and the fault relay is activated.
505 506 515
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