Yaskawa VS-626 MC5 User Manual
Page 249
9.1Protective and Diagnostic Functions
- 5
Corrective Actions
Probable Causes
Meaning
Fault Display
CPF21
Option CPU down
Transmission Option Card self
diagnostic error
CPF22
Option Type Err
Transmission Option Card model
code error
Option Card fault.
Replace the Option Card.
CPF23
Option DPRAM Err
Transmission Option Card
DPRAM error
9
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