Yaskawa Matrix Converter - Manual (Page 331)

7
-10
CPF20
Option
A/D error
Communications Option Card
A/D Converter Error
The option card is not connected prop-
erly. Turn off the power and insert the
card again.
The option card's A/D converter is
faulty. Replace the Communications
Option Card.
CPF21
Option
CPU down
Communications Option Card Self
Diagnostic Error
Communications Option Card fault. Replace the option card.
CPF22
Option
Type Err
Communications Option Card
Model Code Error
CPF23
Option
DPRAM
Err
Communications Option Card
DPRAM Error
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions