YASKAWA YRC1000micro - Page 70

HW1484764
Alarm List
7-7
HW1484764
Alarm Code
Alarm Message
Sub Code
Cause
Possible Solutions
1939
STACK DIAG
ERR(PFL)
ASF04
board
(error)
(1) Turn off and on the power.
(2) If the alarm recurs, replace the ASF04 board. Save
CMOS.BIN before replacing the board.
Others
If the alarm recurs after you have taken the action
described above, save CMOS.BIN and send the
description of when and how the alarm occurred
(operating steps, etc.) to your YASKAWA
representative.
1940
SEQUENCE
DIAG.
ERROR(PFL)
ASF04
board
(error)
(1) Turn off and on the power.
(2) If the alarm recurs, replace the ASF04 board. Save
CMOS.BIN before replacing the board.
Others
If the alarm recurs after you have taken the action
described above, save CMOS.BIN and send the
description of when and how the alarm occurred
(operating steps, etc.) to your YASKAWA
representative.
1941
WATCHDOG
ERROR(PFL)
ASF04
board
(error)
(1) Turn off and on the power.
(2) If the alarm recurs, replace the ASF04 board. Save
CMOS.BIN before replacing the board.
Others
If the alarm recurs after you have taken the action
described above, save CMOS.BIN and send the
description of when and how the alarm occurred
(operating steps, etc.) to your YASKAWA
representative.
1942
VOLTAGE WATCH
ERR(PFL)
Subcode:
Shows the
cause of
the error
in bit
format.
ASF04
board
(error)
(1) Turn off and on the power.
(2) If the alarm recurs, replace the ASF04 board. Save
CMOS.BIN before replacing the board.
Others
If the alarm recurs after you have taken the action
described above, save CMOS.BIN and send the
description of when and how the alarm occurred
(operating steps, etc.) to your YASKAWA
representative.
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