Yaskawa Matrix Converter - Manual (Page 330)

Protective and Diagnostic Functions
7-
9
BUS
Option
Com Err
Option Communications Error
A communications error was detected
during a Run Command or while set-
ting a frequency reference from a
Communications Option Card.
-
Check the communications
devices and communications sig-
nals.
CPF00
CPF
Digital Operator Communications
Error 1
Communications with the digital oper-
ator were not established within 5 sec-
onds after the power was turned on. The digital operator's connector isn't
connected properly. Disconnect the digital operator
and then connect it again.
The MxC's control circuits are faulty. Replace the MxC.
CPU External RAM Fault
-
Try turning the power supply off
and on again.
The control circuits were destroyed. Replace the MxC.
CPF01
CPF01
Digital Operator Communications
Error 2
After communications were estab-
lished, there was a communications
error with the digital operator for more
than 2 seconds. The digital operator isn't connected
properly. Disconnect the digital operator
and then connect it again.
The MxC's control circuits are faulty. Replace the MxC.
CPF03
EEPROM
Error
EEPROM Error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the MxC.
CPF04
Internal
A/D Err
CPU Internal A/D Converter Error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the MxC.
CPF05
External
A/D Err
CPU External A/D Converter Error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the MxC.
CPF06
Option
error
Option Card Connection Error
The option card is not connected prop-
erly. Turn off the power and insert the
card again.
The MxC or option card is faulty.
Replace the option card or the
MxC.
CPF07
RAM-Err ASIC Internal RAM Fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the MxC.
CPF08
WAT-Err
Watchdog Timer Fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the MxC.
CPF09
CPU-Err
CPU-ASIC Mutual Diagnosis Fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the MxC.
CPF10
ASIC-Err ASIC V
ersion Fault The MxC control circuit is faulty Replace the MxC.
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions