Alarm List
Alarm Number (4000 to 4999)
Alarm List-740
26 Arithmetic stack used for
expression operation
exceeded.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
27 Arithmetic stack used for
expression operation is empty.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
28 Operation items are lacking in
expression operation and
operation processing cannot
be performed.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
254 Access mechanism for old
parameters is used.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
255 An exceptional error occurred. Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
4433 UNDEFINED GLOBAL
VARIABLE
0 The set data for byte type
variable area is incorrect.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
1 The set data for integer type
variable area is incorrect.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
2 The set data for double-
precision integer-type variable
area is incorrect.
Software operation error
occurred
(1)Reset the alarm, and then try again.
(2)If the alarm occurs again, save the CMOS.BIN in maintenance
mode, and then contact your Yaskawa representative about
occurrence status (operating procedure).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy